US3092530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat protective sheathing
Assignee: Individual
•
Filing: 1959-09-21
•
Granted: 1963-06-04
•
Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Walter A Plummer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:09
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/10; F16L59/02; F16L59/021; Y; Y10; Y10S; Y10S174/00; Y10S174/11; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US926423A
Cited
US2613166A
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US2561891A
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US2665467A
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US2779066A
Cited
US2719099A
Cited
US2756172A
Cited
US2825673A
Cited
US2937664A
Cited
US2960561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |