US2635751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sieve hold-down mechanism fob
Assignee: —
•
Filing: —
•
Granted: 1953-04-21
•
Expires: 1970-04-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:14
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/4609; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/964; Y10T; Y10T292/00; Y10T292/08; Y10T292/1099; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19819
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US385427A
Cited
DE373167C
Cited
US1450166A
Cited
GB167047A
Cited
US1711548A
Cited
US1716416A
Cited
US1913749A
Cited
US1920972A
Cited
US2114406A
Cited
US2358453A
Cited
US2511239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |