US2900844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double spindle power tool
Assignee: Individual
•
Filing: 1958-09-22
•
Granted: 1959-08-25
•
Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Kalilec Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:38
CPC Classifications
B; B25; B25F; B25F3/00; B23; B23B; B23B45/00; B23B45/008; B25B; B25B21/00; F; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02; Y; Y10; Y10S; Y10S408/00; Y10S408/708; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T408/00; Y10T408/60; Y10T408/65; Y10T408/675; Y10T408/6757; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084; Y10T74/19219; Y10T74/19242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |