Patent US2315526A successfully refreshed from Google Patents.
US2315526A
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US
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Key assembling machine
Assignee: Primerica Inc
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Filing: 1940-07-12
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Granted: 1943-04-06
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Expires: 1960-07-12
Abstract
No abstract record available.
Inventors
- 👤 Warren D Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:24
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/383; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53313; Y10T29/53322; Y10T29/53374
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-04-05 | 1946-10-05 | 1947-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-05 | 1950-10-05 | 1951-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-05 | 1954-10-05 | 1955-04-06 | $7700.00 | Window Closed / Lapsed |