US2766494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window seal
Assignee: Individual
•
Filing: 1954-03-02
•
Granted: 1956-10-16
•
Expires: 1974-03-02
Abstract
No abstract record available.
Inventors
- 👤 William G Stremmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:03
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2305; E06B7/2307; E06B7/2309
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US494351A
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US647379A
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AT83132B
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US1570186A
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US2088909A
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US2051757A
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US2560665A
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US2484176A
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US2607091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |