Patent US3018213A successfully refreshed from Google Patents.
US3018213A
Expired / Lapsed
US
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Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1958-06-04
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Granted: 1962-01-23
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Expires: 1978-06-04
Abstract
No abstract record available.
Inventors
- 👤 Herman T Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:09
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/44; B29C33/48; B29C33/50; B29C33/505; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/24; B29D30/26; B29L; B29L2022/00; B29L2022/02; B29L2022/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN APPARATUS OF THE CHARACTER DESCRIBED HAVING A CYLINDER WITH AN AXIAL LENGTH GREATER THAN ITS EXTERNAL DIAMETER, AN INFLATABLE ELASTIC RUBBER TUBE OF AXIALLY ELONGATED CROSS SECTION HAVING MEANS FOR MOUNTING THE TUBE ON SAID CYLINDER, SAID TUBE WHEN DEFLATED HAVING INNER AND OUTER CYLINDRICAL PARTS AND WHEN INFLATED AND
Claim 2
Dependent Claim
51 words
IN APPARATUS OF THE CHARACTER DESCRIBED HAVING A CYLINDER WITH AN AXIAL LENGTH GREATER THAN ITS EXTERNAL DIAMETER, AN INFLATABLE ELASTIC RUBBER TUBE OF AXIALLY ELONGATED CROSS SECTION HAVING MEANS FOR MOUNTING THE TUBE ON SAID CYLINDER, SAID TUBE WHEN DEFLATED HAVING INNER AND OUTER CYLINDRICAL PARTS AND WHEN INFLATED AND
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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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |