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Patent US3412633A successfully refreshed from Google Patents.
US3412633A
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Indexing mechanism
Assignee: James Archdale and Co Ltd
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Filing: 1966-01-12
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Granted: 1968-11-26
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Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Huntley Eric John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:49
CPC Classifications
F; F16; F16H; F16H43/00; B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/022; B23Q16/025; B23Q2716/00; B23Q2716/08; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1447; Y10T74/1488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |