Patent US2696997A successfully refreshed from Google Patents.
US2696997A
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US
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Adjustable diameter sheave
Assignee: AMERICAN PULLEY Co
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Filing: 1952-04-11
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Granted: 1954-12-14
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Expires: 1972-04-11
Abstract
No abstract record available.
Inventors
- 👤 Mccloskey Ellsworth Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:48
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/52; F16H55/56; F16H55/566; Y; Y10; Y10S; Y10S474/00; Y10S474/902; Y10T; Y10T403/00; Y10T403/40; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US480499A
Cited
US2524027A
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US2545327A
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US2480222A
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US2610515A
Cited
US2643581A
Cited
US2648988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |