US3028754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring instrument
Assignee: Ametek Inc
•
Filing: 1958-11-10
•
Granted: 1962-04-10
•
Expires: 1978-11-10
Abstract
No abstract record available.
Inventors
- 👤 Francis C Huyser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:50
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/04; G01L5/10; G01B; G01B5/00; G01B5/30; G01B7/00; G01B7/16; G01N; G01N3/00; G01N3/08; G01N3/18; G01N2203/00; G01N2203/0058; G01N2203/0069; G01N2203/0071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1716553A
Cited
US2364930A
Cited
US2375034A
Cited
US2539980A
Cited
US2564221A
Cited
US2588630A
Cited
US2821784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |