Patent US3246788A successfully refreshed from Google Patents.
US3246788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Missile tank having buckling resistant, pretensioned sidewall
Assignee: Lockheed Martin Corp
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Filing: 1960-08-12
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Granted: 1966-04-19
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Expires: 1980-08-12
Abstract
No abstract record available.
Inventors
- 👤 Andre J Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:03
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A TANK STRUCTURE COMPRISING A CONTINUOUS GENERALLY CYLINDRICAL SIDEWALL ADAPTED TO BE SUBJECTED TO AXIAL COMPRESSION BY EXTERNAL FORCES, END STRUCTURES CONNECTED AT RESPECTIVELY OPPOSITE ENDS OF SAID SIDEWALL AND DEFINING THEREWITH A TANK, AND CENTRALLY DISPOSED AXIALLY PRESTRESSED MEANS WITHIN THE TANK STRUCTURE IN COMMUNICATION WITH SAID END STRUCTURES, SAID AXIALLY PRESTRESSED MEANS NORMALLY BEING OF A LENGTH SOMEWHAT GREATER THAN THE NORMAL
Claim 2
Dependent Claim
64 words
A TANK STRUCTURE COMPRISING A CONTINUOUS GENERALLY CYLINDRICAL SIDEWALL ADAPTED TO BE SUBJECTED TO AXIAL COMPRESSION BY EXTERNAL FORCES, END STRUCTURES CONNECTED AT RESPECTIVELY OPPOSITE ENDS OF SAID SIDEWALL AND DEFINING THEREWITH A TANK, AND CENTRALLY DISPOSED AXIALLY PRESTRESSED MEANS WITHIN THE TANK STRUCTURE IN COMMUNICATION WITH SAID END STRUCTURES, SAID AXIALLY PRESTRESSED MEANS NORMALLY BEING OF A LENGTH SOMEWHAT GREATER THAN THE NORMAL
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |