US2644553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel fastening means
Assignee: Individual
•
Filing: 1947-06-05
•
Granted: 1953-07-07
•
Expires: 1967-06-05
Abstract
No abstract record available.
Inventors
- 👤 Walton W Cushman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:05
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/36; E04C2/365; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6179; F; F16; F16B; F16B5/00; F16B5/0004; F16B5/0032; F16B5/0044; F16B5/0048; Y; Y10; Y10T; Y10T403/00; Y10T403/61
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189414957A
Cited
US941013A
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US1389362A
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US1672905A
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US2008741A
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US2210652A
Cited
US2257001A
Cited
US2205730A
Cited
US2256791A
Cited
US2360276A
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US2460853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |