US2760259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making sprags
Assignee: Borg Warner Corp
•
Filing: 1950-02-02
•
Granted: 1956-08-28
•
Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 Harry P Troendly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:06
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/04; F; F16; F16D; F16D41/00; F16D41/06; F16D41/069; F16D41/07; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49798
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1701736A
Cited
US1542040A
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US1834722A
Cited
US1839909A
Cited
US1851031A
Cited
DE669464C
Cited
US2346462A
Cited
US2540457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |