US1998108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque transmitting member and method for producing the same
Assignee: Borg Warner Corp
•
Filing: 1931-02-18
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Granted: 1935-04-16
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Expires: 1951-02-18
Abstract
No abstract record available.
Inventors
- 👤 Waisner Bertha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:43
CPC Classifications
B; B23; B23F; B23F17/00; B21; B21J; B21J1/00; B21J1/02; B21J1/025; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49476; Y10T29/4948; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12465; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072; Y10T74/1808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-04-15 | 1938-10-15 | 1939-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-15 | 1942-10-15 | 1943-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-15 | 1946-10-15 | 1947-04-16 | $7700.00 | Window Closed / Lapsed |