US2874612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulator
Assignee: Individual
•
Filing: 1956-03-09
•
Granted: 1959-02-24
•
Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 Luboshez Sergius N Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:15
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/262; E04; E04C; E04C2/00; E04C2/54; E06B3/00; E06B3/66; E06B3/67; E06B3/6715; G; G02; G02B; G02B5/00; G02B5/20; G02B5/208; E06B2009/2625; Y; Y10; Y10S; Y10S160/00; Y10S160/07; Y10S47/00; Y10S47/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1743345A
Cited
US1937342A
Cited
US2146182A
Cited
US2248638A
Cited
US2205523A
Cited
US2280358A
Cited
US2404257A
Cited
FR1007902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |