US3499306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measurement of the shape and flatness of sheet or strip material
Assignee: British Aluminum Co Ltd
•
Filing: 1966-07-06
•
Granted: 1970-03-10
•
Expires: 1986-07-06
Abstract
No abstract record available.
Inventors
- 👤 William Kenneth Jamies Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:39
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/28; G01B7/287; B; B21; B21B; B21B38/00; B21B38/02; G01B13/00; G01B13/22; G07; G07C; G07C3/00; G07C3/14; B21B2265/00; B21B2265/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2345765A
Cited
US2674127A
Cited
US2809519A
Cited
US3078747A
Cited
GB946342A
Cited
US3334508A
Cited
FR1469660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |