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Patent US2952081A successfully refreshed from Google Patents.
US2952081A
Expired / Lapsed
US
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Gear comparator
Assignee: Rexnord Industries LLC
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Filing: 1959-01-19
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Granted: 1960-09-13
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Expires: 1979-01-19
Abstract
No abstract record available.
Inventors
- 👤 Wiken Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:05
CPC Classifications
G; G09; G09B; G09B25/00; G09B25/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/188; Y10T74/18808; Y10T74/18816
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) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |