US2699580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canopy seal and process for making the same
Assignee: Kirkhill Rubber Co
•
Filing: 1950-02-09
•
Granted: 1955-01-18
•
Expires: 1970-02-09
Abstract
No abstract record available.
Inventors
- 👤 Albert G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:36
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/14; B64C1/1476; F; F16; F16J; F16J15/00; F16J15/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1958131A
Cited
US2088909A
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US2202042A
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US2301963A
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US2306990A
Cited
US2371586A
Cited
US2401624A
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US2414009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |