US3606199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for terminating unwinding of belt-shaped body from a spool
Assignee: Ricoh Co Ltd
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Filing: 1969-04-15
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Granted: 1971-09-20
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Expires: 1989-04-15
Abstract
Abstract DEVICE FOR TERMINATING UNWINDING OF FILM OR TAPE ON A SPOOL. A SPRING BIASED LEVER FOLLOWS AN UNWINDING AND DECREASING FILM SUPPLY TO ENGAGE A NOTCH ON THE SPOOL FOR THE TERMINATION. SIGNAL MEANS ARE PROVIDED IN ASSOCIATION WITH THE LEVER TO INDICATE THE TERMINATION.
Inventors
- 👤 Sakae Fujimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:52
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/107; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43; G11B23/041; G11B23/043; G11B23/046
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |