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US2620705A
Expired / Lapsed
US
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Fastening device
Assignee: Individual
•
Filing: 1946-08-03
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Granted: 1952-12-09
•
Expires: 1966-08-03
Abstract
No abstract record available.
Inventors
- 👤 William J Papa
- 👤 Podvinecz Dorothy Parry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:24
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/0015; E; E04; E04B; E04B1/00; E04B1/38; E04B1/48; E04B1/49; F16B15/0023; F16B15/003; F16B15/0038; Y; Y10; Y10S; Y10S411/00; Y10S411/921; Y10T; Y10T403/00; Y10T403/71
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |