Patent US3227153A successfully refreshed from Google Patents.
US3227153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar collector
Assignee: AMF Inc
•
Filing: 1963-09-04
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Granted: 1966-01-04
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Expires: 1983-09-04
Abstract
No abstract record available.
Inventors
- 👤 Godel Siegfried
- 👤 Speyer Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:44
CPC Classifications
F; F24; F24S; F24S10/00; F24S10/40; F24S10/45; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1068650A
Cited
US1837449A
Cited
US1855815A
Cited
US1946184A
Cited
US2133649A
Cited
FR1094368A
Cited
GB822768A
Cited
US2906257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |