US3904224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Landing gear housing for trailers
Assignee: Westran Corp
•
Filing: 1974-10-15
•
Granted: 1975-09-09
•
Expires: 1994-10-15
Abstract
Abstract A landing gear housing for a trailer comprising an upper cylindrical portion having means for attaching said cylindrical portion to said trailer and a lower square tubular portion coaxial with said cylindrical portion, wherein said cylindrical portion and said square tubular portion are of integral construction.
Inventors
- 👤 Jack T Belke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:51
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
46 words
A landing gear housing for a trailer comprising an upper cylindrical portion having means for attaching said cylindrical portion to said trailer and a lower square tubular portion coaxial with said cylindrical portion, wherein said cylindrical portion and said square tubular portion are of integral construction.
Claim 2
Dependent Claim
46 words
A landing gear housing for a trailer comprising an upper cylindrical portion having means for attaching said cylindrical portion to said trailer and a lower square tubular portion coaxial with said cylindrical portion, wherein said cylindrical portion and said square tubular portion are of integral construction.
Claim 3
Dependent Claim
16 words
The invention as defined in claim 1 in which said square tubular portion has rounded corners.
Claim 4
Dependent Claim
22 words
The invention as defined in claim 2 wherein said corners of said square tubular portion are in alignment with said cylindrical portion.
Claim 5
Dependent Claim
18 words
The invention as defined in claim 1 and including a retaining ring secured around said square tubular portion.
References Cited (Backward Citations)
US2815962A
Cited
US3236501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-08 | 1979-03-10 | 1979-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-08 | 1983-03-10 | 1983-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-08 | 1987-03-10 | 1987-09-09 | $7700.00 | Window Closed / Lapsed |