US3535953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable releasable spring locking device
Assignee: Wiener Metallwarenfabrik Smolka and Co
•
Filing: 1967-11-01
•
Granted: 1970-10-27
•
Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Smolka
- 👤 Johann Zelinka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:40
CPC Classifications
A; A63; A63C; A63C9/00; A63C9/08; A63C9/0805; A63C9/084; A63C9/0841; A63C9/0842; A63C9/0846; A63C9/085; A63C9/08535; A63C9/0855; A63C9/08557; A63C9/08564; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US147561A
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US895334A
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US2620672A
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US2797593A
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US2817989A
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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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |