US2995048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control for counterbalance
Assignee: AMERICAN Manufacturing CO OF TEXAS
•
Filing: 1959-10-19
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Granted: 1961-08-08
•
Expires: 1979-10-19
Abstract
No abstract record available.
Inventors
- 👤 Curtis C Mitchell
- 👤 George A Burgon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:49
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/30; G01M1/36; F; F16; F16F; F16F15/00; F16F15/28; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2154; Y10T74/2156
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |