Patent US2563236A successfully refreshed from Google Patents.
US2563236A
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US
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Plastic clamp
Assignee: LAURENCE S MASON
•
Filing: 1949-09-20
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Granted: 1951-08-07
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Expires: 1969-09-20
Abstract
No abstract record available.
Inventors
- 👤 Gragg Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:25
CPC Classifications
D; D06; D06F; D06F55/00; D06F55/02; B; B25; B25B; B25B7/00; B25B7/14; B25B7/16; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/4453; Y10T24/44538
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |