Patent US1914514A successfully refreshed from Google Patents.
US1914514A
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Header
Assignee: SPIRAL ROLLED PEODUCTS Co
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Filing: 1929-09-05
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Granted: 1933-06-20
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Expires: 1949-09-05
Abstract
No abstract record available.
Inventors
- 👤 Lapham Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:00
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/46; B21J; B21J13/00; B21J13/08; B21J13/14; B21K27/00; B21K27/02; B21K27/06; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5121
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) | 1936-06-19 | 1936-12-19 | 1937-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-19 | 1940-12-19 | 1941-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-19 | 1944-12-19 | 1945-06-20 | $7700.00 | Window Closed / Lapsed |