US3401547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measurement and control of rolled material thickness and quality
Assignee: General Dynamics Corp
•
Filing: 1966-01-26
•
Granted: 1968-09-17
•
Expires: 1986-01-26
Abstract
No abstract record available.
Inventors
- 👤 Arnold M Hall
- 👤 John A Trevett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:54
CPC Classifications
G; G01; G01B; G01B17/00; G01B17/02; B; B21; B21B; B21B38/00; B21B38/04
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |