US2690084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring belt tension equalizer for machine tools
Assignee: ATLAS PRESS CO
•
Filing: 1950-08-01
•
Granted: 1954-09-28
•
Expires: 1970-08-01
Abstract
No abstract record available.
Inventors
- 👤 Walter L Van Dam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:00
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/12; B01; B01J; B01J27/00; B01J27/02; B27; B27B; B27B5/00; B27B5/16; B27B5/22; B27B5/24; B27B5/243; F; F16; F16H; F16H7/00; F16H7/08; F16H7/10; F16H7/14; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8717; Y10T83/8775
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1135767A
Cited
US1324136A
Cited
US768392A
Cited
US1234685A
Cited
US1723077A
Cited
FR565896A
Cited
US2168282A
Cited
US2511445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |