Patent US2673136A successfully refreshed from Google Patents.
US2673136A
Expired / Lapsed
US
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Multirange measuring system
Assignee: Leeds and Northrup Co
•
Filing: 1948-09-22
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Granted: 1954-03-23
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Expires: 1968-09-22
Abstract
No abstract record available.
Inventors
- 👤 Irving M Stein
- 👤 Jr Albert J Williams
- 👤 Jr Frank F Dern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:51
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01D; G01D9/00; G01D9/02; G01D9/04; G01D9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2288679A
Cited
US421623A
Cited
US721187A
Cited
AT120169B
Cited
US2005108A
Cited
US2207344A
Cited
US2207343A
Cited
US2125345A
Cited
US2113069A
Cited
US2209717A
Cited
US2297187A
Cited
US2400828A
Cited
US2428129A
Cited
US2464708A
Cited
US2485730A
Cited
US2467929A
Cited
US2506006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |