US3154802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor polisher
Assignee: Electrostar GmbH
•
Filing: 1963-01-29
•
Granted: 1964-11-03
•
Expires: 1983-01-29
Abstract
No abstract record available.
Inventors
- 👤 Hanschitz Rudolf
- 👤 Taft Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:44
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4013; A47L11/4016; A47L11/4075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A FLOOR POLISHER COMPRISING A HEAD, A SINGLE POLISHER DISC MOUNTED FOR ROTATION ABOUT A SUBSTANTIALLY VERTICAL AXIS WITHIN SAID HEAD, A HANDLE PIVOTALLY CONNECTED TO SAID HEAD FOR LIFTING AND LOWERING MOVEMENT ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, AND SPRING MEANS CONNECTED BETWEEN SAID HANDLE AND SAID HEAD ADJACENT THE PIVOTAL CONNECTION OF SAID HANDLE TO SAID HEAD URGING SAID HEAD DOWNWARDLY WITH A UNIFORM FORCE INDEPENDENTLY OF THE PIVOTING OF SAID HANDLE IN RESPECT TO SAID HEAD.
Claim 2
Dependent Claim
78 words
A FLOOR POLISHER COMPRISING A HEAD, A SINGLE POLISHER DISC MOUNTED FOR ROTATION ABOUT A SUBSTANTIALLY VERTICAL AXIS WITHIN SAID HEAD, A HANDLE PIVOTALLY CONNECTED TO SAID HEAD FOR LIFTING AND LOWERING MOVEMENT ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, AND SPRING MEANS CONNECTED BETWEEN SAID HANDLE AND SAID HEAD ADJACENT THE PIVOTAL CONNECTION OF SAID HANDLE TO SAID HEAD URGING SAID HEAD DOWNWARDLY WITH A UNIFORM FORCE INDEPENDENTLY OF THE PIVOTING OF SAID HANDLE IN RESPECT TO SAID HEAD.
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |