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US3484830A
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US
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Pipe coupling
Assignee: ROBERT A WAGNER
•
Filing: 1967-12-05
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Granted: 1969-12-16
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Expires: 1987-12-05
Abstract
No abstract record available.
Inventors
- 👤 Adolph A Wagner
- 👤 Robert A Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:00
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/0406; F16B7/0413; Y; Y10; Y10T; Y10T403/00; Y10T403/55; Y10T403/557
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1860866A
Cited
GB421871A
Cited
US2290430A
Cited
GB744284A
Cited
US2850304A
Cited
US2952484A
Cited
DE1191182B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |