Patent US3033152A successfully refreshed from Google Patents.
US3033152A
Expired / Lapsed
US
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Canal towing apparatus
Assignee: Individual
•
Filing: 1958-01-27
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Granted: 1962-05-08
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Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Tourneau Robert G Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:41
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/56; B63B21/64; B61; B61C; B61C13/00; B61C13/02; E; E02; E02B; E02B5/00; E02B5/04; E02B5/06; E02C; E02C1/00; E02C1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US79235A
Cited
US192606A
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US1319996A
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GB190419541A
Cited
US960663A
Cited
US1105461A
Cited
US1177421A
Cited
US1924391A
Cited
US2214466A
Cited
US2761410A
Cited
US2900946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |