US3221774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kinkproof fire hose
Assignee: HK Porter Co Inc
•
Filing: 1962-07-17
•
Granted: 1965-12-07
•
Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Harry E Fritz
- 👤 Frederick M Galloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:27
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US957867A
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US1235878A
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US1455359A
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FR807171A
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FR833492A
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US2512433A
Cited
US2906638A
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US3011525A
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US2939488A
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US3117597A
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US3042737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |