US2764900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine parts, including rim, tooth or segment inserts
Assignee: Jeffrey Manufacturing Co
•
Filing: 1955-04-18
•
Granted: 1956-10-02
•
Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Harry R Warsmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:59
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19949; Y10T74/19963
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB371262A
Cited
US2051915A
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US2331909A
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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) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |