Patent US3911630A successfully refreshed from Google Patents.
US3911630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storm window
Assignee: Individual
•
Filing: 1974-07-26
•
Granted: 1975-10-14
•
Expires: 1994-07-26
Abstract
Abstract A storm window comprising a rigid self supporting transparent sheet having a second flexible transparent sheet overlying and peripherally attached thereto to provide an inflatable dead air space for preventing heat loss through a window opening.
Inventors
- 👤 Phillip L Nally
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:13
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/6608; E06B3/04; E06B3/28; E06B3/285
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
78 words
A storm window comprising: a rigid self supporting transparent sheet held in position over a window opening and a transparent flexible bladder portion having sides, edges and a back portion to define with said transparent sheet a cubic rectangularly shaped inflatable dead air space, said edges and said sides including gripping means integral therewith to enhance the attachment of said storm window over said window opening the combination thereby providing a see-through heat insulator across the window opening.
Claim 2
Dependent Claim
78 words
A storm window comprising: a rigid self supporting transparent sheet held in position over a window opening and a transparent flexible bladder portion having sides, edges and a back portion to define with said transparent sheet a cubic rectangularly shaped inflatable dead air space, said edges and said sides including gripping means integral therewith to enhance the attachment of said storm window over said window opening the combination thereby providing a see-through heat insulator across the window opening.
Claim 3
Dependent Claim
24 words
The apparatus of claim 1 including a parimetric hermetic seal between said sheet means and said bladder portion to seal said dead air space.
Claim 4
Dependent Claim
26 words
The apparatus of claim 1 wherein said transparent sheet is in the range of about 10 to about 100 times the thickness of said bladder portion.
Claim 5
Dependent Claim
27 words
The apparatus of claim 1 wherein said edges and said sides are of a uniform thickness and are comprised of a single sheet of polymeric resinous material.
Claim 6
Dependent Claim
24 words
The apparatus of claim 1 wherein said transparent sheet is glass and said bladder is comprised of a single sheet of polymeric resinous material.
Claim 7
Dependent Claim
20 words
The apparatus of claim 1 wherein said transparent sheet and said transparent bladder portion are made of the same material.
Claim 8
Dependent Claim
24 words
The apparatus of claim 6 wherein the sheet and bladder respectively are comprised of polyethylene, polypropylene, polystyrene, acrylonitrile, butadine styrene, polyvinylchloride or copolymers thereof.
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) | 1978-10-13 | 1979-04-14 | 1979-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-13 | 1983-04-14 | 1983-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-13 | 1987-04-14 | 1987-10-14 | $7700.00 | Window Closed / Lapsed |