Patent US2773971A successfully refreshed from Google Patents.
US2773971A
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Chains and the like
Assignee: CHAINS Inc
•
Filing: 1954-08-04
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Granted: 1956-12-11
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Expires: 1974-08-04
Abstract
No abstract record available.
Inventors
- 👤 Teerlink James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:19
CPC Classifications
B; B21; B21L; B21L9/00; B21J; B21J15/00; B21J15/02; B21J15/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/49943; Y10T29/49947; Y10T29/49954; Y10T29/49956; Y10T29/49972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1584793A
Cited
US921519A
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US1527797A
Cited
US1587445A
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US1873619A
Cited
US2431702A
Cited
US2463669A
Cited
US2568649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |