US1458894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling
Assignee: Individual
•
Filing: 1921-05-21
•
Granted: 1923-06-12
•
Expires: 1941-05-21
Abstract
No abstract record available.
Inventors
- 👤 Schwarz Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:35
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72; F16D3/74; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/453; Y10T403/57; Y10T403/5706; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7084
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) | 1926-06-11 | 1926-12-11 | 1927-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-06-11 | 1930-12-11 | 1931-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-06-11 | 1934-12-11 | 1935-06-12 | $7700.00 | Window Closed / Lapsed |