US2737205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for protectively isolating internal pipe surfaces
Assignee: FULLERTON Manufacturing Co
•
Filing: 1952-08-28
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Granted: 1956-03-06
•
Expires: 1972-08-28
Abstract
No abstract record available.
Inventors
- 👤 Raymond B Stringfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:30
CPC Classifications
B; B65; B65D; B65D59/00; B65D59/02; B65D59/04; F; F16; F16L; F16L57/00; F16L57/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA485622A
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US2311882A
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US2277713A
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US2325809A
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US2304532A
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US2551834A
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US2628738A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |