US3431607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1968-02-09
•
Granted: 1969-03-11
•
Expires: 1988-02-09
Abstract
No abstract record available.
Inventors
- 👤 George A Tinnerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:29
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/24; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; F16B2/245; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3449; Y10T24/3453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |