US2073430A
Expired / Lapsed
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Assignee: DELTA Manufacturing CO
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Filing: 1935-05-22
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Granted: 1937-03-09
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Expires: 1955-05-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Tautz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:38
CPC Classifications
B; B27; B27B; B27B19/00; B27B19/02; B23; B23D; B23D59/00; B23D59/006; B23D59/0062; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17821; Y10T83/00; Y10T83/687; Y10T83/704; Y10T83/727; Y10T83/735; Y10T83/741; Y10T83/743
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) | 1940-03-08 | 1940-09-07 | 1941-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-08 | 1944-09-07 | 1945-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-08 | 1948-09-07 | 1949-03-09 | $7700.00 | Window Closed / Lapsed |