US2950584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accessory for rotary power driven tools
Assignee: CARPART Corp
•
Filing: 1958-05-08
•
Granted: 1960-08-30
•
Expires: 1978-05-08
Abstract
No abstract record available.
Inventors
- 👤 John F Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:10
CPC Classifications
B; B24; B24D; B24D9/00; B24D9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1645047A
Cited
US1778471A
Cited
US2486947A
Cited
US2480217A
Cited
US2644280A
Cited
GB727595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |