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Patent US3430601A successfully refreshed from Google Patents.
US3430601A
Expired / Lapsed
US
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Barge coupling assembly
Assignee: THEODORE F THOMPSON
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Filing: 1967-01-24
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Granted: 1969-03-04
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Expires: 1987-01-24
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:38
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/56; B63B21/62; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45461; Y10T24/45602; Y10T24/45675; Y10T24/45686
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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |