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Patent US2717140A successfully refreshed from Google Patents.
US2717140A
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US
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Clamp fasteners
Assignee: Individual
•
Filing: 1949-07-23
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Granted: 1955-09-06
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Expires: 1969-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Alexander B Hulse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:46
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/047; E05C3/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US73193A
Cited
US222241A
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US774229A
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US1077489A
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US1892613A
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US1954935A
Cited
US2123695A
Cited
US2426498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |