US3265873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for monitoring and control of material in a continuing process
Assignee: Individual
•
Filing: 1961-10-10
•
Granted: 1966-08-09
•
Expires: 1981-10-10
Abstract
No abstract record available.
Inventors
- 👤 Harold T Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:51
CPC Classifications
G; G01; G01N; G01N22/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2792548A
Cited
US2636926A
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US2602835A
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US2637767A
Cited
US2745014A
Cited
US2824280A
Cited
US2867781A
Cited
US3005911A
Cited
US3034718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |