Patent US2637462A successfully refreshed from Google Patents.
US2637462A
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Assignee: United Carr Fastener Corp
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Filing: 1949-04-21
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Granted: 1953-05-05
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Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Philip D Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:20
CPC Classifications
F; F16; F16L; F16L57/00; F16L57/005; B; B65; B65D; B65D39/00; B65D39/0005; B65D39/0023; B65D59/00; B65D59/02; B65D2539/00; B65D2539/001; B65D2539/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR373734A
Cited
US996511A
Cited
US1593785A
Cited
US1753631A
Cited
US2016225A
Cited
US2238238A
Cited
US2141856A
Cited
US2390072A
Cited
US2497827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |