US2924431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulley
Assignee: Danielson Manufacturing Co
•
Filing: 1958-04-21
•
Granted: 1960-02-09
•
Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 William H Chadbourne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:45
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/04; B66D2700/00; B66D2700/02; B66D2700/026; B66D2700/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA464410A
Cited
US1674071A
Cited
US2079299A
Cited
US2202184A
Cited
US2359026A
Cited
US2459598A
Cited
US2724867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |