Patent US3260405A successfully refreshed from Google Patents.
US3430484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Land or underwater pipe line
Assignee: Individual
•
Filing: 1967-08-08
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Granted: 1969-03-04
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Expires: 1987-08-08
Abstract
No abstract record available.
Inventors
- 👤 Gerard F Wittgenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:51
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2807; G01M3/283; F; F16; F16L; F16L3/00; F16L3/02; F16L3/06; F17; F17D; F17D5/00; F17D5/02; F17D5/04; F16L2101/00; F16L2101/30; F16L2201/00; F16L2201/30; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036; Y10T137/8158; Y10T137/8225; Y10T137/8242
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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |