US3384910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Watersled
Assignee: Union Carbide Corp
•
Filing: 1966-07-18
•
Granted: 1968-05-28
•
Expires: 1986-07-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Russell G Heston
- 👤 Wesley F Junker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:07
CPC Classifications
B; B63; B63B; B63B32/00; B63B32/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A WATERSLED COMPRISING A HOLLOW ENCLOSED FLOTATION CHAMBER EXTENDING SUBSTANTIALLY THROUGHOUT THE BODY THEREOF, A WEIGHTED STERN SECTION POSITIONED WITH SAID FLOTATION CHAMBER EXTENDING THEREABOUT, A CONTOURED BOW, A PAIR OF PONTOONS HAVING A CENTRAL FLAT DECK PORTION THEREBETWEEN, AND STRUCTURAL STRENGTHENING MEANS DISPOSED LONGITUDINALLY ALONG SAID DECK PORTION.
Claim 2
Dependent Claim
49 words
A WATERSLED COMPRISING A HOLLOW ENCLOSED FLOTATION CHAMBER EXTENDING SUBSTANTIALLY THROUGHOUT THE BODY THEREOF, A WEIGHTED STERN SECTION POSITIONED WITH SAID FLOTATION CHAMBER EXTENDING THEREABOUT, A CONTOURED BOW, A PAIR OF PONTOONS HAVING A CENTRAL FLAT DECK PORTION THEREBETWEEN, AND STRUCTURAL STRENGTHENING MEANS DISPOSED LONGITUDINALLY ALONG SAID DECK PORTION.
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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |