Patent US2215616A successfully refreshed from Google Patents.
US2215616A
Expired / Lapsed
US
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Broach
Assignee: AMERICAN BROACH AND MACHINE Co
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Filing: 1938-03-10
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Granted: 1940-09-24
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Expires: 1958-03-10
Abstract
No abstract record available.
Inventors
- 👤 Francis J Lapointe
- 👤 Elmer J Lapointe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:53
CPC Classifications
B; B23; B23D; B23D43/00; B23D43/02; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53987; Y10T407/00; Y10T407/16; Y10T407/1671; Y10T407/24; Y10T407/245
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) | 1943-09-24 | 1944-03-25 | 1944-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-24 | 1948-03-25 | 1948-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-24 | 1952-03-25 | 1952-09-24 | $7700.00 | Window Closed / Lapsed |