US2754791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship turbulator
Assignee: Individual
•
Filing: 1954-08-16
•
Granted: 1956-07-17
•
Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Nieding Arthur Dewey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:24
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/32; B63B1/34; B63B1/38; B63B2001/387; Y; Y02; Y02T; Y02T70/00; Y02T70/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US829077A
Cited
US917935A
Cited
US1398246A
Cited
US1445839A
Cited
US1702222A
Cited
DE519505C
Cited
FR849471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |