US2591044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel tank construction
Assignee: Glenn L Martin Co
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Filing: 1945-10-26
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Granted: 1952-04-01
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Expires: 1965-10-26
Abstract
No abstract record available.
Inventors
- 👤 Warren C Bomhardt
- 👤 Earl H Sorg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A TANK FOR THE STORAGE OF HYDROCARBON LIQUIDS HAVING ITS STRUCTURAL MEMBERS SECURED TOGETHER BY A PLURALITY OF RIVETS, A SEALING STRIP INSERTED IN EACH JOINT BETWEEN SAID MEMBERS, SAID RIVETS EXTENDING THROUGH SAID MEMBERS AND SAID SEALING STRIP, SAID STRIP COMPRISING A COMPOSI96% OF VINYL CHLORIDE AND 4% VINYL ACETATE AND 30% OF A POLY ESTER OF GLYCOL SEBACATE.
Claim 2
Dependent Claim
60 words
A TANK FOR THE STORAGE OF HYDROCARBON LIQUIDS HAVING ITS STRUCTURAL MEMBERS SECURED TOGETHER BY A PLURALITY OF RIVETS, A SEALING STRIP INSERTED IN EACH JOINT BETWEEN SAID MEMBERS, SAID RIVETS EXTENDING THROUGH SAID MEMBERS AND SAID SEALING STRIP, SAID STRIP COMPRISING A COMPOSI96% OF VINYL CHLORIDE AND 4% VINYL ACETATE AND 30% OF A POLY ESTER OF GLYCOL SEBACATE.
References Cited (Backward Citations)
US2140672A
Cited
GB523247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |