Patent US2060889A successfully refreshed from Google Patents.
US2060889A
Expired / Lapsed
US
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Broach
Assignee: COLONIAL BROACH CO
•
Filing: 1933-07-10
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Granted: 1936-11-17
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Expires: 1953-07-10
Abstract
No abstract record available.
Inventors
- 👤 Axel L Nilsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:55
CPC Classifications
B; B23; B23D; B23D43/00; B23D43/005; Y; Y10; Y10T; Y10T407/00; Y10T407/16; Y10T407/1671; Y10T407/1685
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) | 1939-11-17 | 1940-05-18 | 1940-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-17 | 1944-05-18 | 1944-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-17 | 1948-05-18 | 1948-11-17 | $7700.00 | Window Closed / Lapsed |