US3750613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for use with land vehicles to make the same amphibious
Assignee: Rheinstahl AG
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Filing: 1971-12-03
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Granted: 1973-08-07
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Expires: 1991-12-03
Abstract
Abstract A device for making land vehicles amphibious, which includes a shield with holding means adapted to be mounted on the front side of the vehicle, said shield being so designed and mounted that in assembled condition it partly protrudes beyond and sticks out of the water through which the vehicle is to pass, while the shield with holding means is of a light-weight construction and peferably has an angle of incidence of 45* with regard to the longitudinal axis of the vehicle.
Inventors
- 👤 U Krumsiek
- 👤 W Holscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:53
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/003; B60F3/0046
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
111 words
In combination with a land vehicle, a drive for making said land vehicle amphibious, which comprises: a shield, supporting arm means detachably connecting said shield to the front end face of said vehicle, said shield and said arm means being of a light weight construction and in assembled condition on said vehicle having an acute angle of incidence with regard to the longitudinal vehicle axis, the arrangement being such that said shield with the vehicle immersed in water extends out of the water, said vehicle being provided with towing ears, and said supporting arm means being hollow, connecting means being provided for connecting said supporting arm means to said towing ears.
Claim 2
Dependent Claim
111 words
In combination with a land vehicle, a drive for making said land vehicle amphibious, which comprises: a shield, supporting arm means detachably connecting said shield to the front end face of said vehicle, said shield and said arm means being of a light weight construction and in assembled condition on said vehicle having an acute angle of incidence with regard to the longitudinal vehicle axis, the arrangement being such that said shield with the vehicle immersed in water extends out of the water, said vehicle being provided with towing ears, and said supporting arm means being hollow, connecting means being provided for connecting said supporting arm means to said towing ears.
Claim 3
Dependent Claim
14 words
The combination of claim 1, in which said angle of incidence is approximately 45*.
Claim 4
Dependent Claim
27 words
The combination of claim 1, in which said shield has an outer layer of glass fiber reinforced polyester resin, and a core of a hard foam material.
Claim 5
Dependent Claim
16 words
The combination of claim 1, in which said supporting arm means are embedded in said shield.
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |