US3587457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detent means for dater wheels
Assignee: Singer Co
•
Filing: 1969-05-02
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Granted: 1971-06-28
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Expires: 1989-05-02
Abstract
Abstract A SELF-CONTAINED DETENT MEANS FOR A SERIES OF TYPE WHEELS IS REMOVABLY SUPPORTED ON A COMMON SHAFT. UPON REMOVAL REPLACEMENT OF EACH WHEEL, THE DETENT THEREFOR REMAINS IN PLACE TO PREVENT LOSS OF THE DETENT AND TO FACILITATE EASY ASSEMBLY AND DISASSEMBLY OF THE APPARATUS.
Inventors
- 👤 John C Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:05
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/08; B41K1/12; B41K3/00; B41K3/02; B41K3/04; B41K3/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |