US3290716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor treating machines
Assignee: Individual
•
Filing: 1965-08-11
•
Granted: 1966-12-13
•
Expires: 1985-08-11
Abstract
No abstract record available.
Inventors
- 👤 Robert E Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:15
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4044; A47L11/29; A47L11/30; A47L11/4038; A47L11/4061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A FLOOR TREATING MACHINE HAVING A WHEELED FRAME, A VACUUM CONTAINER MOUNTED ON THE FRAME, A SUCTION SQUEEGEE NOZZLE CONNECTED BY A CONDUIT TO THE VACUUM CONTAINR, A SINGLE PIVOT ARM EXTENDING BACKWARDS FROM THE FRAME AND CONNECTED AT ONE END TO THE FRAME BY A UNIVERSAL JOINT AND AT ITS OTHER CONNECTED TO THE SQHEEGEE NOZZLE, WHEREBY THE SQUEEGEE NOZZLE IS FREELY DISPLACEABLE BY AN OPERATOR AND NORMALLY TRACKS ALONG BEHIND THE FRAME WITH ITS LENGTH TRANSVERSE TO THE DIRECTION OF TRAVEL OF THE MACHINE IN ARCUATE AS WELL AS STRAIGHT LINE TRAVEL.
Claim 2
Dependent Claim
94 words
A FLOOR TREATING MACHINE HAVING A WHEELED FRAME, A VACUUM CONTAINER MOUNTED ON THE FRAME, A SUCTION SQUEEGEE NOZZLE CONNECTED BY A CONDUIT TO THE VACUUM CONTAINR, A SINGLE PIVOT ARM EXTENDING BACKWARDS FROM THE FRAME AND CONNECTED AT ONE END TO THE FRAME BY A UNIVERSAL JOINT AND AT ITS OTHER CONNECTED TO THE SQHEEGEE NOZZLE, WHEREBY THE SQUEEGEE NOZZLE IS FREELY DISPLACEABLE BY AN OPERATOR AND NORMALLY TRACKS ALONG BEHIND THE FRAME WITH ITS LENGTH TRANSVERSE TO THE DIRECTION OF TRAVEL OF THE MACHINE IN ARCUATE AS WELL AS STRAIGHT LINE TRAVEL.
References Cited (Backward Citations)
US1500692A
Cited
US1969674A
Cited
US2149453A
Cited
GB640273A
Cited
US3065490A
Cited
US3063082A
Cited
US3206787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |