US2541206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipurpose clamp
Assignee: Marmac Products Inc
•
Filing: 1948-01-21
•
Granted: 1951-02-13
•
Expires: 1968-01-21
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Christophersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:48
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/20; B25B1/205; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1441; Y10T24/1443; Y10T24/44; Y10T24/44239
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311986A
Cited
US1243118A
Cited
GB453957A
Cited
US2149760A
Cited
GB550692A
Cited
US2352971A
Cited
US2361520A
Cited
US2370766A
Cited
US2381349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |