US3093853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power sweeper broom chamber
Assignee: Wayne Manufacturing Co
•
Filing: 1962-01-22
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Granted: 1963-06-18
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Tamny Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:49
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A POWER SWEEPER INCLUDING A BROOM ROTATABLE IN A CHAMBER ABOUT AN AXIS EXTENDING GENERALLY HORIZONTALLY AND TRANSVERSELY RELATIVE TO THE DIRECTION OF SWEEPER TRAVEL, THE CHAMBER HAVING A LOWER INLET, AND AN OUTLET THROUGH WHICH SWEPT ARTICLES DISCHARGE TO A HOPPER, THE IMPROVEMENT WHICH COMPRISES AN EXTENSION CARRIED BY THE CHAMBER AND MAINTAINED IN UNDERLYING PARTICLE RETAINING PROXIMITY TO THE DOWNWARD TRAVEL PATH OF THE BROOM PERIPHERY AT ONE SIDE OF SAID INLET UNDER THE BROOM FOR KEEPING ARTICLES IN THE PATH OF BROOM ROTATION, THE LOWER PORTION OF SAID EXTENSION BEING FLEXIBLE AND ACCOMMODATING SUDDEN DEFLECTION OF SAID PORTION AWAY FROM THE BROOM IN RESPONSE TO CONTACT WITH AND TRAVEL OVER OBSTRUCTIONS DURING SWEEPER TRAVEL.
Claim 2
Dependent Claim
118 words
IN A POWER SWEEPER INCLUDING A BROOM ROTATABLE IN A CHAMBER ABOUT AN AXIS EXTENDING GENERALLY HORIZONTALLY AND TRANSVERSELY RELATIVE TO THE DIRECTION OF SWEEPER TRAVEL, THE CHAMBER HAVING A LOWER INLET, AND AN OUTLET THROUGH WHICH SWEPT ARTICLES DISCHARGE TO A HOPPER, THE IMPROVEMENT WHICH COMPRISES AN EXTENSION CARRIED BY THE CHAMBER AND MAINTAINED IN UNDERLYING PARTICLE RETAINING PROXIMITY TO THE DOWNWARD TRAVEL PATH OF THE BROOM PERIPHERY AT ONE SIDE OF SAID INLET UNDER THE BROOM FOR KEEPING ARTICLES IN THE PATH OF BROOM ROTATION, THE LOWER PORTION OF SAID EXTENSION BEING FLEXIBLE AND ACCOMMODATING SUDDEN DEFLECTION OF SAID PORTION AWAY FROM THE BROOM IN RESPONSE TO CONTACT WITH AND TRAVEL OVER OBSTRUCTIONS DURING SWEEPER TRAVEL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |