Patent US2444727A successfully refreshed from Google Patents.
US2444727A
Expired / Lapsed
US
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Unitary clamp for frictionally held multiple surfaces
Assignee: Individual
•
Filing: 1945-08-21
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Granted: 1948-07-06
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Expires: 1965-08-21
Abstract
No abstract record available.
Inventors
- 👤 Paine L Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:49
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5406; B23Q1/5412; B23Q1/26; B23Q1/28; B23Q1/285; B25; B25B; B25B1/00; B25B1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US86173A
Cited
US776553A
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US851491A
Cited
US947573A
Cited
US1394912A
Cited
GB155084A
Cited
US1423774A
Cited
US1441413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |