US2958254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical gaging system
Assignee: AT&T Inc
•
Filing: 1958-03-11
•
Granted: 1960-11-01
•
Expires: 1978-03-11
Abstract
No abstract record available.
Inventors
- 👤 James E Kittelberger
- 👤 James P Mcelrath
- 👤 Wahl Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2415174A
Cited
US2369858A
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US2372162A
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US2510347A
Cited
US2641960A
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US2694335A
Cited
US2765441A
Cited
US2820987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |