US2707117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced flexible bellows joint
Assignee: CHICAGO METAL HOSE Corp
•
Filing: 1948-02-03
•
Granted: 1955-04-26
•
Expires: 1968-02-03
Abstract
No abstract record available.
Inventors
- 👤 Fentress David Wendell
- 👤 Frank S Schindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:06
CPC Classifications
F; F16; F16L; F16L51/00; F16L51/02; F16L51/025; F16L51/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE476627C
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US969660A
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US1797151A
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US2196676A
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US2335478A
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US2314776A
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US2404447A
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US2420053A
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US2414987A
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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) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |