US2619357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet
Assignee: New Britain Machine Co
•
Filing: 1950-01-25
•
Granted: 1952-11-25
•
Expires: 1970-01-25
Abstract
No abstract record available.
Inventors
- 👤 Donald H Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:57
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1207; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17461; Y10T279/17471; Y10T279/17529; Y10T279/17615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US235283A
Cited
US926761A
Cited
US1499727A
Cited
US2225377A
Cited
US2277260A
Cited
US2382060A
Cited
US2396006A
Cited
US2448423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |