US3012294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar window construction
Assignee: Individual
•
Filing: 1959-01-14
•
Granted: 1961-12-12
•
Expires: 1979-01-14
Abstract
No abstract record available.
Inventors
- 👤 Waldor John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:01
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/36; F; F24; F24S; F24S20/00; F24S20/60; F24S20/63; F24S50/00; F24S50/80; Y; Y02; Y02B; Y02B10/00; Y02B10/20; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 0
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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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |