Patent US1339434A successfully refreshed from Google Patents.
US1339434A
Expired / Lapsed
US
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Machine for assembling radiator-cores
Assignee: LIBERTY RADIATOR Co
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Filing: 1918-04-08
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Granted: 1920-05-11
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Expires: 1938-04-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas N Coffelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:58
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/08; B21D53/085; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53113; Y10T29/53122
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) | 1923-05-11 | 1923-11-10 | 1924-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-05-11 | 1927-11-10 | 1928-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-05-11 | 1931-11-10 | 1932-05-11 | $7700.00 | Window Closed / Lapsed |