US2466745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Countersinking appliance
Assignee: Individual
•
Filing: 1946-01-26
•
Granted: 1949-04-12
•
Expires: 1966-01-26
Abstract
No abstract record available.
Inventors
- 👤 James W Seamans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:25
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/107; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5583; Y10T408/5584; Y10T408/564; Y10T408/5647
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1721310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |