US2758041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cleaning floors in textile mills
Assignee: Denning Co Inc
•
Filing: 1952-03-24
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Granted: 1956-08-07
•
Expires: 1972-03-24
Abstract
No abstract record available.
Inventors
- 👤 Wade F Denning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:09
CPC Classifications
D; D01; D01H; D01H11/00; D01H11/005; D01H11/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD OF SWEEPING THE FLOOR OF A ROOM HAVING A PLURALITY OF TEXTILE MACHINES THEREIN WHICH COMPRISES PRODUCING STREAMS OF AIR OF SUFFICIENT FORCE TO SWEEP THE FLOOR BETWEEN AND BENEATH SAID MACHINES, DIRECTING THE STREAMS OF AIR ACROSS THE FLOOR IN ONE DIRECTION TO SWEEP BETWEEN AND BENEATH SAID MACHINES WHILES MOVING SAID AIR STREAMS TRANSVERSELY OF SAID ONE DIRECTION IN A
Claim 2
Independent Claim
64 words
A METHOD OF SWEEPING THE FLOOR OF A ROOM HAVING A PLURALITY OF TEXTILE MACHINES THEREIN WHICH COMPRISES PRODUCING STREAMS OF AIR OF SUFFICIENT FORCE TO SWEEP THE FLOOR BETWEEN AND BENEATH SAID MACHINES, DIRECTING THE STREAMS OF AIR ACROSS THE FLOOR IN ONE DIRECTION TO SWEEP BETWEEN AND BENEATH SAID MACHINES WHILES MOVING SAID AIR STREAMS TRANSVERSELY OF SAID ONE DIRECTION IN A
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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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |