US2444324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for motorboats and the like
Assignee: ERWIN J PANISH
•
Filing: 1940-12-31
•
Granted: 1948-06-29
•
Expires: 1960-12-31
Abstract
No abstract record available.
Inventors
- 👤 Oliver L Allen
- 👤 Earle F Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:53
CPC Classifications
B; B63; B63H; B63H21/00; B63H21/22; B63H21/21; B63H21/213; B63H23/00; B63H23/02; B63H23/08; B63H23/30; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206; Y10T74/21; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE20482E
Cited
US944497A
Cited
US1501600A
Cited
US1682358A
Cited
US1657098A
Cited
US1801366A
Cited
US1751647A
Cited
US1686760A
Cited
US1819452A
Cited
US1944326A
Cited
US1754740A
Cited
US1985394A
Cited
US2011651A
Cited
US1940845A
Cited
US2055505A
Cited
US1993983A
Cited
US2113860A
Cited
US1915822A
Cited
US2102598A
Cited
US2010960A
Cited
US2051553A
Cited
US1997444A
Cited
US2163021A
Cited
US2073174A
Cited
US2238133A
Cited
US2167951A
Cited
US2147694A
Cited
US2234019A
Cited
US2201118A
Cited
US2250882A
Cited
US2248564A
Cited
US2266598A
Cited
US2238574A
Cited
US2206771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-29 | 1951-12-29 | 1952-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-29 | 1955-12-29 | 1956-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-29 | 1959-12-29 | 1960-06-29 | $7700.00 | Window Closed / Lapsed |