Patent US1765796A successfully refreshed from Google Patents.
US1765796A
Expired / Lapsed
US
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Sealed laminated roofing element
Assignee: Patent and Licensing Corp
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Filing: 1926-04-10
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Granted: 1930-06-24
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Expires: 1946-04-10
Abstract
No abstract record available.
Inventors
- 👤 Kirschbraun Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:45
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/35; E04D3/357; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/239; Y10T428/24; Y10T428/2419; Y10T428/24264; Y10T428/24355; Y10T428/24372; Y10T428/24421; Y10T428/2443; Y10T428/24479; Y10T428/24488; Y10T428/31504; Y10T428/31815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-06-23 | 1933-12-23 | 1934-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-23 | 1937-12-23 | 1938-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-23 | 1941-12-23 | 1942-06-24 | $7700.00 | Window Closed / Lapsed |