US2544219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated tool driving apparatus
Assignee: Individual
•
Filing: 1945-06-09
•
Granted: 1951-03-06
•
Expires: 1965-06-09
Abstract
No abstract record available.
Inventors
- 👤 Maurice M Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:53
CPC Classifications
A; A45; A45D; A45D29/00; A45D29/11; A45D29/14; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17136; Y10T279/17153; Y10T279/17761; Y10T279/17786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US666509A
Cited
US666511A
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US858131A
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US1330111A
Cited
US1425270A
Cited
US1618851A
Cited
US1958601A
Cited
US2259797A
Cited
US2336095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |