Patent US2408627A successfully refreshed from Google Patents.
US3353309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable structure
Assignee: Individual
•
Filing: 1967-02-13
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Granted: 1967-11-21
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Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 John P Kwake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/20; E04H15/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN INFLATABLE STRUCTURE COMPRISING: A BODY MEMBER OF FOLDABLE MATERIAL HAVING A RIM ADAPTED TO RELEASABLY BUT SEALINGLY ENGAGE A SURFACE OVER WHICH THE BODY MEMBER IS TO BE INFLATED, SAID BODY MEMBER HAVING AN OPENING NEAR SAID RIM THROUGH WHICH TO ADMIT A GASEOUS FLUID TO RAISE THE BODY MEMBER ABOVE THE SURFACE; SUPPLY MEANS TO FORCE GASEOUS FLUID THROUGH SAID OPENING TO INFLATE SAID BODY MEMBER; CONTROL MEANS OPERABLE FROM SAID BODY MEMBER TO LIMIT OPERATION OF SAID SUPPLY MENS WHEN SAID BODY MEMBER IS INFLATED; A DOOR OPENING IN SAID BODY MEMBER; A DOOR HAVING ONE EDGE THEREOF ATTACHED TO AN EDGE OF SAID DOOR OPENING;
Claim 2
Dependent Claim
109 words
AN INFLATABLE STRUCTURE COMPRISING: A BODY MEMBER OF FOLDABLE MATERIAL HAVING A RIM ADAPTED TO RELEASABLY BUT SEALINGLY ENGAGE A SURFACE OVER WHICH THE BODY MEMBER IS TO BE INFLATED, SAID BODY MEMBER HAVING AN OPENING NEAR SAID RIM THROUGH WHICH TO ADMIT A GASEOUS FLUID TO RAISE THE BODY MEMBER ABOVE THE SURFACE; SUPPLY MEANS TO FORCE GASEOUS FLUID THROUGH SAID OPENING TO INFLATE SAID BODY MEMBER; CONTROL MEANS OPERABLE FROM SAID BODY MEMBER TO LIMIT OPERATION OF SAID SUPPLY MENS WHEN SAID BODY MEMBER IS INFLATED; A DOOR OPENING IN SAID BODY MEMBER; A DOOR HAVING ONE EDGE THEREOF ATTACHED TO AN EDGE OF SAID DOOR OPENING;
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |