US1217537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making radiator-tubes.
Assignee: ROME-TURNEY RADIATOR Co
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Filing: 1915-12-06
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Granted: 1917-02-27
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Expires: 1935-12-06
Abstract
No abstract record available.
Inventors
- 👤 George W Turney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:35
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/22; B21C37/26; Y; Y10; Y10S; Y10S122/00; Y10S122/16; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49382; Y10T29/49391; Y10T29/49826; Y10T29/49908; Y10T29/49925
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) | 1920-02-27 | 1920-08-28 | 1921-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-02-27 | 1924-08-28 | 1925-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-02-27 | 1928-08-28 | 1929-02-27 | $7700.00 | Window Closed / Lapsed |