US2464156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanding chuck or mandrel
Assignee: SANDERSEN
•
Filing: 1946-02-20
•
Granted: 1949-03-08
•
Expires: 1966-02-20
Abstract
No abstract record available.
Inventors
- 👤 Gerard L Sandersen
- 👤 Karl K Nielsen
- 👤 Campbell Colin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:45
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/067; B23Q3/068; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1008; Y10T279/1037; Y10T279/1041; Y10T279/1045; Y10T82/00; Y10T82/25; Y10T82/2585; Y10T82/2591
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1147517A
Cited
US1260130A
Cited
US1921316A
Cited
US1926798A
Cited
US2345091A
Cited
US2408689A
Cited
US2399831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |