US3243195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trolleys for supporting pumping equipment
Assignee: Bir Vac Ltd
•
Filing: 1964-01-20
•
Granted: 1966-03-29
•
Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Craswell Kenneth Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:00
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
AN EQUIPMENT TROLLEY COMPRISING: A FIRST SUPPORTING STRUCTURE INCLUDING FIRST FLOOR-ENGAGING MEANS DEPENDING THEREFROM; FLOOR ENGAGING WHEELS OPERATIVELY CONNECTED TO THE FIRST STRUCTURE; MEANS CONNECTED TO THE WHEELS AND THE FIRST SUPPORTING STRUCTURE FOR RELATIVELY DISPLACING THE WHEELS VERTICALLY WITH RESPECT TO THE FIRST STRUCTURE; A SECOND SUPPORTING STRUCTURE INCLUDING SECOND FLOORENGAGING MEANS DEPENDING THEREFROM, THE SECOND FLOOR-ENGAGING MEANS BEING RELATIVELY VERTICALLY DISPOSED WITH RESPECT TO THE FIRST FLOOR-ENGAGING MEANS
Claim 2
Dependent Claim
70 words
AN EQUIPMENT TROLLEY COMPRISING: A FIRST SUPPORTING STRUCTURE INCLUDING FIRST FLOOR-ENGAGING MEANS DEPENDING THEREFROM; FLOOR ENGAGING WHEELS OPERATIVELY CONNECTED TO THE FIRST STRUCTURE; MEANS CONNECTED TO THE WHEELS AND THE FIRST SUPPORTING STRUCTURE FOR RELATIVELY DISPLACING THE WHEELS VERTICALLY WITH RESPECT TO THE FIRST STRUCTURE; A SECOND SUPPORTING STRUCTURE INCLUDING SECOND FLOORENGAGING MEANS DEPENDING THEREFROM, THE SECOND FLOOR-ENGAGING MEANS BEING RELATIVELY VERTICALLY DISPOSED WITH RESPECT TO THE FIRST FLOOR-ENGAGING MEANS
References Cited (Backward Citations)
US183857A
Cited
US2468115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |