US2993383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet adjuster for a variable speed drive
Assignee: LGL Group Inc
•
Filing: 1958-08-11
•
Granted: 1961-07-25
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Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 Robert L Ardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:48
CPC Classifications
B; B65; B65B; B65B65/00; B65B65/02; F; F16; F16H; F16H31/00; F16H31/003; F16H31/005; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1558; Y10T74/156; Y10T74/1561; Y10T74/1577; Y10T74/1579
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1426718A
Cited
US1446267A
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US1849971A
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US2351694A
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US2477599A
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US2558953A
Cited
US2694805A
Cited
US2851619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |