Patent US2470985A successfully refreshed from Google Patents.
US2470985A
Expired / Lapsed
US
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Gearing for driving a plurality of spindles
Assignee: Individual
•
Filing: 1946-03-01
•
Granted: 1949-05-24
•
Expires: 1966-03-01
Abstract
No abstract record available.
Inventors
- 👤 Illsche Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:54
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/20; B21D22/26; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/3788; Y10T408/60; Y10T408/65; Y10T74/00; Y10T74/18; Y10T74/1804; Y10T74/18568; Y10T74/18792; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US121435A
Cited
US403199A
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US1696453A
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US1352840A
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US2019493A
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US2110314A
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US2353349A
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US2340472A
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US2349240A
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US2353253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |