Patent US2594136A successfully refreshed from Google Patents.
US2594136A
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Pressure operated indicating apparatus
Assignee: Taylor Instrument Co
•
Filing: 1950-08-08
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Granted: 1952-04-22
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Expires: 1970-08-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel S Di Maggio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:23
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/08; G01D; G01D9/00; G01D9/28; G01D9/30; G01R; G01R13/00; G01R13/04; Y; Y10; Y10S; Y10S60/00; Y10S60/907; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1309531A
Cited
US829368A
Cited
US900540A
Cited
US1080109A
Cited
US1391077A
Cited
US1577909A
Cited
DE437843C
Cited
US1880008A
Cited
GB370257A
Cited
US2077242A
Cited
US2202286A
Cited
US2125081A
Cited
US2372087A
Cited
US2527207A
Cited
US2442586A
Cited
US2529875A
Cited
US2463882A
Cited
US2534569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |