Patent US1915705A successfully refreshed from Google Patents.
US1915705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: National Tube Co
•
Filing: 1932-07-23
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Granted: 1933-06-27
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Expires: 1952-07-23
Abstract
No abstract record available.
Inventors
- 👤 Webb Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:15
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1261; B23B31/1269; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17213; Y10T279/17666; Y10T279/17692; Y10T279/17717; Y10T279/17726; Y10T279/27
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) | 1936-06-26 | 1936-12-26 | 1937-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-26 | 1940-12-26 | 1941-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-26 | 1944-12-26 | 1945-06-27 | $7700.00 | Window Closed / Lapsed |