US2657376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for multiple-point measuring instrument
Assignee: Leeds and Northrup Co
•
Filing: 1949-12-23
•
Granted: 1953-10-27
•
Expires: 1969-12-23
Abstract
No abstract record available.
Inventors
- 👤 Mcadam Will
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:42
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/02; G01K1/024; H; H04; H04Q; H04Q9/00; H04Q9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1965393A
Cited
DE562264C
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US2430113A
Cited
US2502215A
Cited
US2430125A
Cited
US2549401A
Cited
US2428402A
Cited
US2478221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |