Patent US3457427A successfully refreshed from Google Patents.
US3457427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight solar cell panel structure
Assignee: Westinghouse Electric Corp
•
Filing: 1965-08-20
•
Granted: 1969-07-22
•
Expires: 1985-08-20
Abstract
No abstract record available.
Inventors
- 👤 Krishan S Tarneja
- 👤 Vito A Rossi
- 👤 Joseph R Maddalena
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:09
CPC Classifications
H; H02; H02S; H02S40/00; H02S40/30; H02S40/34; B; B64; B64G; B64G1/00; B64G1/22; B64G1/42; B64G1/44; B64G1/443; H10; H10F; H10F19/00; H10F19/50; H10F19/90; H10F19/902; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3026417A
Cited
US3089043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |