Patent US3217325A successfully refreshed from Google Patents.
US3217325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable support structure
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1961-10-18
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Granted: 1965-11-09
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Expires: 1981-10-18
Abstract
No abstract record available.
Inventors
- 👤 Doyle D Mullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:04
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/18; H01Q15/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
A SUPPORT STRUCTURE FOR A CORNER REFLECTOR COMPRISING A FIRST FOUR CORNERED INFLATABLE TIBE, A SECOND FOUR CORNERED INFLATABLE TUBE, A THIRD FOUR CORNERED INFLATABLE TUBE, MEANS FOR CONNECTING SAID TUBES TOGETHER SO THAT WHEN THEY ARE INFLATED THEY FORM A SIX CORNERED SUPPORT STRUCTURE, MEANS FOR INTRODUCING AN INFLATION MEDIUM INTO SAID SUPPORT STRUCTURE, AND MEANS FOR CONNECTING A CORNER REFLECTOR HAVING SIX OUTER APICES TO THE SIX CORNERS OF THE SUPPORT STRUCTURE.
Claim 2
Dependent Claim
74 words
A SUPPORT STRUCTURE FOR A CORNER REFLECTOR COMPRISING A FIRST FOUR CORNERED INFLATABLE TIBE, A SECOND FOUR CORNERED INFLATABLE TUBE, A THIRD FOUR CORNERED INFLATABLE TUBE, MEANS FOR CONNECTING SAID TUBES TOGETHER SO THAT WHEN THEY ARE INFLATED THEY FORM A SIX CORNERED SUPPORT STRUCTURE, MEANS FOR INTRODUCING AN INFLATION MEDIUM INTO SAID SUPPORT STRUCTURE, AND MEANS FOR CONNECTING A CORNER REFLECTOR HAVING SIX OUTER APICES TO THE SIX CORNERS OF THE SUPPORT STRUCTURE.
Claim 3
Dependent Claim
53 words
AN INFLATABLE SUPPORT STRUCTURE COMPRISING A FIRST FOUR CORNERED INFLATABLE TUBE, A SECOND FOUR CORNERED INFLATABLE TUBE, A THIRD FOUR CORNERED INFLATABLE TUBE, MEANS FOR CONNECTING SAID TUBES TOGETHER WHEN INFLATED THEREBY FORMING A SIX CORNERED SUPPORT STRUCTURE, AND INLET MEANS FOR PERMITTING SAID SUPPORT STRUCTURE TO BE FILLED WITH AN INFLATION MEDIUM.
Claim 4
Dependent Claim
53 words
AN INFLATABLE SUPPORT STRUCTURE COMPRISING A FIRST FOUR CORNERED INFLATABLE TUBE, A SECOND FOUR CORNERED INFLATABLE TUBE, A THIRD FOUR CORNERED INFLATABLE TUBE, MEANS FOR CONNECTING SAID TUBES TOGETHER WHEN INFLATED THEREBY FORMING A SIX CORNERED SUPPORT STRUCTURE, AND INLET MEANS FOR PERMITTING SAID SUPPORT STRUCTURE TO BE FILLED WITH AN INFLATION MEDIUM.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |