Patent US2597377A successfully refreshed from Google Patents.
Patent US3462522A successfully refreshed from Google Patents.
Patent US2246741A successfully refreshed from Google Patents.
Patent US1738233A successfully refreshed from Google Patents.
Patent US1619259A successfully refreshed from Google Patents.
Patent US3303832A successfully refreshed from Google Patents.
Patent US5346767A successfully refreshed from Google Patents.
Patent US2896272A successfully refreshed from Google Patents.
US2896272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating sealed wall or window panel
Assignee: Individual
•
Filing: 1956-03-01
•
Granted: 1959-07-28
•
Expires: 1976-03-01
Abstract
No abstract record available.
Inventors
- 👤 James S Latenser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:29
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/6608; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/78; E04B1/80; E06B3/677; E06B3/6775
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |