US1924701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing flexible shafts
Assignee: Individual
•
Filing: 1930-01-09
•
Granted: 1933-08-29
•
Expires: 1950-01-09
Abstract
No abstract record available.
Inventors
- 👤 Hartwell W Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:13
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/02; D; D07; D07B; D07B1/00; D07B1/06; D07B1/0693; D07B5/00; D07B5/007; D07B2201/00; D07B2201/20; D07B2201/2015; D07B2201/2023; F16C2300/00; F16C2300/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49842; Y10T428/00; Y10T428/12; Y10T428/12333
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) | 1936-08-28 | 1937-02-27 | 1937-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-28 | 1941-02-27 | 1941-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-28 | 1945-02-27 | 1945-08-29 | $7700.00 | Window Closed / Lapsed |