Patent US3229028A successfully refreshed from Google Patents.
US3229028A
Expired / Lapsed
US
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Coupling between a tow line and object towed
Assignee: Individual
•
Filing: 1964-01-22
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Granted: 1966-01-11
•
Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 John J Rapuzzi
- 👤 Robert J Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:21
CPC Classifications
H; H04; H04B; H04B11/00; H02; H02G; H02G7/00; H02G7/05; H02G7/053; H02G7/056; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5706; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |