US4080955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable solar energy collector
Assignee: Individual
•
Filing: 1976-05-10
•
Granted: 1978-03-28
•
Expires: 1996-05-10
Abstract
Abstract A flat flexible bag of water-impervious material is provided with inlet and outlet tubes extending along the inside of said bag adjacent respectively opposite edges. The bag is divided into transverse compartments, and the inlet and outlet tubes each have openings communicating with each of the compartments.
Inventors
- 👤 Wayne R. Sandstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:13
CPC Classifications
F; F24; F24S; F24S10/00; F24S10/50; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
84 words
A solar energy collector consisting of: a generally flat bag of flexible water-impervious material and having opposed walls sealed together at their peripheral edges; inlet and outlet tubes extending through one end edge of said bag and extending along opposite edges thereof within said bag; means dividing the interior of said bag into a plurality of compartments extending thereacross between said inlet and outlet tubes; and openings in the sides of each of said inlet and outlet tubes communicating with each of said compartments.
Claim 2
Dependent Claim
84 words
A solar energy collector consisting of: a generally flat bag of flexible water-impervious material and having opposed walls sealed together at their peripheral edges; inlet and outlet tubes extending through one end edge of said bag and extending along opposite edges thereof within said bag; means dividing the interior of said bag into a plurality of compartments extending thereacross between said inlet and outlet tubes; and openings in the sides of each of said inlet and outlet tubes communicating with each of said compartments.
Claim 3
Dependent Claim
60 words
A solar energy collector as defined in claim 1 wherein said bag lies on a supporting surface exposed to solar energy and wherein said means for dividing said bag into compartments comprises members extending across the outer surface of said bag and means clamping said members to said surface with said bag therebetween and securing said bag to said surface.
Claim 4
Dependent Claim
38 words
A solar energy collector as defined in claim 2 wherein said members are lengths of flexible rope-like filaments and wherein said last-named means are headed driven fasteners extending through said flexible members and said bag into said surface.
Claim 5
Dependent Claim
20 words
A solar energy collector as defined in claim 1 wherein said inlet and outlet tubes are of flexible plastics material.
Claim 6
Dependent Claim
28 words
A solar energy collector as defined in claim 1 wherein said means dividing said bag into compartments comprises transverse zones wherein said opposed walls are permanently sealed together.
References Cited (Backward Citations)
US3145707A
Cited
US3029806A
Cited
US3146774A
Cited
US3513828A
Cited
US3859980A
Cited
US3943911A
Cited
US3952725A
Cited
US3918430A
Cited
US3991742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-27 | 1981-09-26 | 1982-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-27 | 1985-09-26 | 1986-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-27 | 1989-09-26 | 1990-03-28 | $7700.00 | Window Closed / Lapsed |