Patent US3062337A successfully refreshed from Google Patents.
US3062337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated curtain wall structure
Assignee: Howe Sound Co
•
Filing: 1958-10-30
•
Granted: 1962-11-06
•
Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 John H Zittle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:05
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; Y; Y10; Y10T; Y10T428/00; Y10T428/17; Y10T428/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US484413A
Cited
US1988115A
Cited
US2116020A
Cited
US2180317A
Cited
US2585082A
Cited
US2606788A
Cited
US2728702A
Cited
US2696281A
Cited
US2738094A
Cited
US2874652A
Cited
US2912725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |