US3479713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a hose coupling
Assignee: Weatherhead Co
•
Filing: 1967-08-24
•
Granted: 1969-11-25
•
Expires: 1987-08-24
Abstract
No abstract record available.
Inventors
- 👤 Albert J Weatherhead Jr
- 👤 John Nicol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:02
CPC Classifications
B; B21; B21J; B21J5/00; B21J5/06; B21J5/08; F; F16; F16L; F16L33/00; F16L33/20; F16L33/207; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49435; Y10T29/49826; Y10T29/49833; Y10T29/49835; Y10T29/49861; Y10T29/49908; Y10T29/49909; Y10T29/49913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US454647A
Cited
US724129A
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US1969203A
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US2150524A
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US2176993A
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US2432598A
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US2584948A
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US2499241A
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US2795041A
Cited
US2798744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |