US3531629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid readout wall thickness measuring apparatus
Assignee: Ball Corp
•
Filing: 1966-12-20
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Granted: 1970-09-29
•
Expires: 1986-12-20
Abstract
No abstract record available.
Inventors
- 👤 Richard M Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:41
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60; G06F7/62; G01; G01B; G01B15/00; G01B15/04; G01B15/045; Y; Y10; Y10S; Y10S65/00; Y10S65/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2915638A
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US2890347A
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US3226562A
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US3180994A
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US3328593A
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US3335266A
Cited
US3376410A
Cited
US3359406A
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US3372265A
Cited
US3382350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |