Patent US1325698A successfully refreshed from Google Patents.
Patent US1464978A successfully refreshed from Google Patents.
US1464978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel-driving mechanism
Assignee: Individual
•
Filing: 1921-08-03
•
Granted: 1923-08-14
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Expires: 1941-08-03
Abstract
No abstract record available.
Inventors
- 👤 Einfeldt Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:28
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/043; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19545
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) | 1926-08-13 | 1927-02-12 | 1927-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-08-13 | 1931-02-12 | 1931-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-08-13 | 1935-02-12 | 1935-08-14 | $7700.00 | Window Closed / Lapsed |