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US2102183A
Expired / Lapsed
US
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Metalworking machine
Assignee: New Britain Machine Co
•
Filing: 1933-11-18
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Granted: 1937-12-14
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Expires: 1953-11-18
Abstract
No abstract record available.
Inventors
- 👤 Donald H Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:30
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/12; B23Q11/126; Y; Y10; Y10S; Y10S29/00; Y10S29/061; Y10S29/078; Y10S29/101; Y10S82/00; Y10S82/901; Y10T; Y10T29/00; Y10T29/51; Y10T29/5178
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) | 1940-12-13 | 1941-06-14 | 1941-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-13 | 1945-06-14 | 1945-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-13 | 1949-06-14 | 1949-12-14 | $7700.00 | Window Closed / Lapsed |