US2707972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire-reenforced flexible metal hose
Assignee: OLSON
•
Filing: 1951-07-30
•
Granted: 1955-05-10
•
Expires: 1971-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard W Cole
- 👤 Delwyn L Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:14
CPC Classifications
B; B21; B21F; B21F17/00; F; F16; F16L; F16L11/00; F16L11/14; F16L11/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US401706A
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US581343A
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GB190227864A
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US973901A
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US1120267A
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US1120269A
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US1326988A
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US2028150A
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US2028151A
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US2396059A
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US2444988A
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US2658527A
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US2550669A
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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) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |