Patent US1909055A successfully refreshed from Google Patents.
US1909055A
Expired / Lapsed
US
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Tapping machine
Assignee: Delco Products Corp
•
Filing: 1930-11-28
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Granted: 1933-05-16
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Expires: 1950-11-28
Abstract
No abstract record available.
Inventors
- 👤 Gilbert H Hageman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:43
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; B23G1/20; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/36; Y10T408/38; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/6774; Y10T408/6776
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) | 1936-05-15 | 1936-11-14 | 1937-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-15 | 1940-11-14 | 1941-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-15 | 1944-11-14 | 1945-05-16 | $7700.00 | Window Closed / Lapsed |