Patent US3021871A successfully refreshed from Google Patents.
US3021871A
Expired / Lapsed
US
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Hose for portable pneumatic equipment
Assignee: Individual
•
Filing: 1958-05-14
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Granted: 1962-02-20
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Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 Frank J Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:24
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/06; B; B29; B29C; B29C53/00; B29C53/02; B29C53/12; B29L; B29L2023/00; B29L2023/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1832811A
Cited
US2248898A
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US2339683A
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US2394762A
Cited
US2612140A
Cited
US2619125A
Cited
US2645249A
Cited
US2905194A
Cited
US2779976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |