US2976741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cluster gear
Assignee: Individual
•
Filing: 1959-03-02
•
Granted: 1961-03-28
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Louis D Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:11
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/17; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49464; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T74/00; Y10T74/19; Y10T74/19851; Y10T74/19856; Y10T74/1987; Y10T74/19893; Y10T74/19916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1109900A
Cited
US1532962A
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DE405279C
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US1520625A
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US1645701A
Cited
US2183641A
Cited
US2457942A
Cited
US2709375A
Cited
DE924666C
Cited
US2857777A
Cited
US2780265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |