US2504880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arm supported universal portable power tool
Assignee: Individual
•
Filing: 1946-05-23
•
Granted: 1950-04-18
•
Expires: 1966-05-23
Abstract
No abstract record available.
Inventors
- 👤 Rittenhouse Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:07
CPC Classifications
B; B27; B27B; B27B9/00; B25; B25F; B25F3/00; B25F5/00; B25F5/02; B25F5/021; B27C; B27C9/00; B27C9/005; Y; Y10; Y10T; Y10T408/00; Y10T408/31; Y10T408/65; Y10T408/91; Y10T83/00; Y10T83/768; Y10T83/7793
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303011A
Cited
US712843A
Cited
US733744A
Cited
DE403973C
Cited
US1780174A
Cited
US1751174A
Cited
FR785882A
Cited
US2301264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |