US2890499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation
Assignee: Individual
•
Filing: 1956-07-25
•
Granted: 1959-06-16
•
Expires: 1976-07-25
Abstract
No abstract record available.
Inventors
- 👤 Earl F Cutler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/78; E04B1/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1549205A
Cited
US1626655A
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US1855802A
Cited
US2028253A
Cited
US2197318A
Cited
US2264961A
Cited
US2263510A
Cited
US2323297A
Cited
US2576698A
Cited
US2707426A
Cited
US2782465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |