US3434346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator sight gauges
Assignee: Individual
•
Filing: 1966-11-30
•
Granted: 1969-03-25
•
Expires: 1986-11-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Demyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:05
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US572818A
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US575475A
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US2368105A
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US2374142A
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US2537249A
Cited
DE1002961B
Cited
US3251335A
Cited
US3277713A
Cited
US3335607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |