Patent US3618153A successfully refreshed from Google Patents.
US3618153A
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US
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Hand-held litter-collecting device with cooperating fixed and rotated brushes
Assignee: Individual
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Filing: 1969-11-13
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Granted: 1971-11-09
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Expires: 1989-11-13
Abstract
Abstract THIS DISCLOSURE DEPICTS A LITTER COLLECTING DEVICE HAVING A FIXED BRUSH EXTENDING FROM AN END OF A HOUSING THEREFOR ADAPTED FOR COOPERATION WITH A CYLINDERICAL BRUSH MOUNTED WITHIN THE HOUSING AND DRIVEN BY A FRICTION DRIVE TRAIN. THE DEVICE IS CONFIGURED TO NEST CONFORTABLY IN THE OPEN GRIP OF A USER''S HAND AND EMBODIES A NUMBER OF NOVEL STRUCTURES.
Inventors
- 👤 John H Coult
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:44
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4072; A47L11/32; A47L11/33; A47L11/4013; A47L11/4036; A47L11/4041; A47L11/4063; A47L11/4069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |