Patent US2447015A successfully refreshed from Google Patents.
US2447015A
Expired / Lapsed
US
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Type locking means for marking mechanism
Assignee: Primerica Inc
•
Filing: 1945-05-17
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Granted: 1948-08-17
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Expires: 1965-05-17
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Jacobs
- 👤 Howard B Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:22
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/0004; B44B5/0009; B41; B41L; B41L29/00; B41L29/06; B44B5/0052; B44B5/0057; B44B5/02; B44B5/026
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |