E04D13/04- Roof drainage Drainage fittings in flat roofs, balconies or the like.E04D13/00- Special arrangements or devices in connection with roof coverings Protection against birds Roof drainage Sky-lights.E04D- ROOF COVERINGS SKY-LIGHTS GUTTERS ROOF-WORKING TOOLS.JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2.238000000926 separation method Methods 0.000 abstract description 4.
238000009434 installation Methods 0.000 abstract description 6.239000000463 material Substances 0.000 abstract description 8.XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10.230000003014 reinforcing Effects 0.000 claims abstract description 10.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Pfeifer Lee W filed Critical Pfeifer Lee W Priority to US07/392,644 priority Critical patent/US4959932A/en Application granted granted Critical Publication of US4959932A publication Critical patent/US4959932A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Pfeifer Original Assignee Pfeifer Lee W Priority date (The priority date is an assumption and is not a legal conclusion.
Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US07/392,644 Inventor Lee W.
#Roof gutter screens pdf#
Google Patents US4959932A - Rain gutter screenĭownload PDF Info Publication number US4959932A US4959932A US07/392,644 US39264489A US4959932A US 4959932 A US4959932 A US 4959932A US 39264489 A US39264489 A US 39264489A US 4959932 A US4959932 A US 4959932A Authority US United States Prior art keywords screen section gutter horizontal member edge Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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