US2713277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cold forming ring gears
Assignee: Mullins Manufacturing Corp
•
Filing: 1950-09-02
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Granted: 1955-07-19
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Expires: 1970-09-02
Abstract
No abstract record available.
Inventors
- 👤 Kaul Ben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:43
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/28; B21K1/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49474; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19958
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600994A
Cited
US637655A
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US1332968A
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US1360358A
Cited
US1354779A
Cited
US1454508A
Cited
US2116804A
Cited
US2285575A
Cited
US2337222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-18 | 1959-01-17 | 1959-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-18 | 1963-01-17 | 1963-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-18 | 1967-01-17 | 1967-07-19 | $7700.00 | Window Closed / Lapsed |