US2718583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-heater tank of reinforced plastic and method and apparatus for making the same
Assignee: Individual
•
Filing: 1952-11-18
•
Granted: 1955-09-20
•
Expires: 1972-11-18
Abstract
No abstract record available.
Inventors
- 👤 David B Noland
- 👤 John G Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:29
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/602; F; F24; F24H; F24H1/00; F24H1/18; F24H1/181; Y; Y10; Y10S; Y10S138/00; Y10S138/02; Y10S220/00; Y10S220/14; Y10S264/00; Y10S264/53; Y10S60/00; Y10S60/909; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026; Y10T156/1043; Y10T156/1044; Y10T156/1048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1838680A
Cited
FR839018A
Cited
US2290386A
Cited
US2327790A
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US2372983A
Cited
US2467999A
Cited
GB586183A
Cited
US2568848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |