Patent US3049836A successfully refreshed from Google Patents.
US3049836A
Expired / Lapsed
US
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Roofing repair patch
Assignee: Individual
•
Filing: 1959-02-27
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Granted: 1962-08-21
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Expires: 1979-02-27
Abstract
No abstract record available.
Inventors
- 👤 Weissman Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:55
CPC Classifications
E; E04; E04G; E04G23/00; E04G23/02; E04G23/0281; Y; Y10; Y10S; Y10S52/00; Y10S52/16; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49732; Y10T428/00; Y10T428/14; Y10T428/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322888A
Cited
US2734466A
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US1848076A
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US1864055A
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US2096784A
Cited
GB456471A
Cited
GB669690A
Cited
US2637995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |