Patent US2616481A successfully refreshed from Google Patents.
US2616481A
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US
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Device for mounting concentric bodies
Assignee: Individual
•
Filing: 1946-12-30
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Granted: 1952-11-04
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Expires: 1966-12-30
Abstract
No abstract record available.
Inventors
- 👤 Twells Robert
- 👤 Paul E Buckles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:07
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/40; B29C65/42; B29C63/00; B29C63/18; B29C65/48; B29C65/52; B29C65/54; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5227; B29C66/52271; B29C66/52272; B29C66/53; B29C66/534; B29C66/5344; B29C66/5346; H; H01; H01T; H01T21/00; H01T21/02; B29C65/4805; B29C65/483; B29C66/5221; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53652
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1630451A
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US1951176A
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US2145279A
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US2407559A
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US2440725A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |