US3403580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indexing mechanism and method of making the same
Assignee: Individual
•
Filing: 1966-12-29
•
Granted: 1968-10-01
•
Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jack A English
- 👤 John D Van Benthuysen
- 👤 Thomas R Beaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:52
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; H01H19/11; F; F16; F16D; F16D71/00; F16D71/04; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G05; G05G; G05G5/00; G05G5/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
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) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |