US2460848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating blanket
Assignee: Foster Wheeler Inc
•
Filing: 1944-07-14
•
Granted: 1949-02-08
•
Expires: 1964-07-14
Abstract
No abstract record available.
Inventors
- 👤 Richard H Rover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:04
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/7654; E04B1/7658; E04B1/7662; E04B1/78; F; F16; F16L; F16L59/00; F16L59/04; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/249921; Y10T428/249923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720929A
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US1387391A
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US1703558A
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US1822987A
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US1972592A
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US2184482A
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US2159300A
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US2329366A
Cited
US2282293A
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US2376653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |