US2850807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool-setting apparatus
Assignee: AT&T Inc
•
Filing: 1955-02-24
•
Granted: 1958-09-09
•
Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Robert R Gasper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:54
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2216; B23Q17/2225; Y; Y10; Y10T; Y10T408/00; Y10T408/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2273954A
Cited
FR882127A
Cited
US2455076A
Cited
US2534333A
Cited
US2493332A
Cited
US2533024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |