US2618270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp
Assignee: Individual
•
Filing: 1949-12-23
•
Granted: 1952-11-18
•
Expires: 1969-12-23
Abstract
No abstract record available.
Inventors
- 👤 Jr John L Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:56
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0004; A61F2/0031; A61F2/0054; Y; Y10; Y10S; Y10S128/00; Y10S128/25; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44368
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) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |