US3308783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphibious vehicle
Assignee: Individual
•
Filing: 1965-10-20
•
Granted: 1967-03-14
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Roger R Gay
- 👤 Felix R Winsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:47
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0061; B60F3/003; B60F3/0038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A VEHICLE, MEANS FOR MAKING SAID VEHICLE AMPHIBIOUS COMPRISING; AN INTERNAL COMBUSTION ENGINE, MEANS FOR RELEASING COMBUSTION EXHAUST GASES FROM SAID ENGINE, A PLURALITY OF MEANS ATTACHED TO SAID VEHICLE WHICH ARE SUBSTANTIALLY GAS-TIGHT ONLY WHEN SAID VEHICLE IS AFLOAT, AND INDIVIDUAL MEANS ATTACHED TO SAID EXHAUST GAS RELEASING MEANS FOR TRANSFERRING EXHAUST GAS TO ONLY ONE OF SAID GAS-TIGHT MEANS, SAID INDIVIDUAL MEANS BEING SO ATTACHED TO SAID EXHAUST GAS RELEASING MEANS AS TO PRECLUDE TRANSFER OF GAS FROM ONE OF SAID GASTIGHT MEANS TO ANY OTHER OF SAID GAS-TIGHT MEANS.
Claim 2
Dependent Claim
93 words
IN A VEHICLE, MEANS FOR MAKING SAID VEHICLE AMPHIBIOUS COMPRISING; AN INTERNAL COMBUSTION ENGINE, MEANS FOR RELEASING COMBUSTION EXHAUST GASES FROM SAID ENGINE, A PLURALITY OF MEANS ATTACHED TO SAID VEHICLE WHICH ARE SUBSTANTIALLY GAS-TIGHT ONLY WHEN SAID VEHICLE IS AFLOAT, AND INDIVIDUAL MEANS ATTACHED TO SAID EXHAUST GAS RELEASING MEANS FOR TRANSFERRING EXHAUST GAS TO ONLY ONE OF SAID GAS-TIGHT MEANS, SAID INDIVIDUAL MEANS BEING SO ATTACHED TO SAID EXHAUST GAS RELEASING MEANS AS TO PRECLUDE TRANSFER OF GAS FROM ONE OF SAID GASTIGHT MEANS TO ANY OTHER OF SAID GAS-TIGHT MEANS.
References Cited (Backward Citations)
GB994367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |