US3418672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling lane maintenance device
Assignee: DBA Products Co Inc
•
Filing: 1962-05-22
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Granted: 1968-12-31
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Expires: 1982-05-22
Abstract
No abstract record available.
Inventors
- 👤 Patrick J Regan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:02
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4041; A47L11/4044; A47L11/4052; A47L11/4055; A47L11/4063; A47L11/4069; A47L11/408; A47L11/4088; A63; A63D; A63D5/00; A63D5/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING A VEHICLE ADAPTED TO MOVE IN A FORWARD AND A REVERSE DIRECTION, SURFACE WIPING MEANS ADJACENT THE FORWARD END THEREOF, SURFACE BUFFING MEANS SPACED BEHIND SAID SURFACE WIPING MEANS, SAID MEANS BEING MOUNTED ON THE VEHICLE FOR ADJUSTMENT INTO AND OUT OF WORKING POSITIONS WITH RESPECT TO THE SURFACE OVER WHICH THE VEHICLE TRAVELS, AND SPRAY MEANS MOUNTED ON SAID VEHICLE BEHIND SAID BUFFING MEANS AND ACTUATABLE TO APPLY DRESSING MATERIAL ONTO THE SURFACE WHEN THE VEHICLE IS MOVED IN ITS REVERSE DIRECTION.
References Cited (Backward Citations)
DE414207C
Cited
US899725A
Cited
US899726A
Cited
GB191022680A
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US1827402A
Cited
US1995685A
Cited
US2795002A
Cited
US2822562A
Cited
US2783092A
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US2987741A
Cited
US2930055A
Cited
US2877476A
Cited
US2946521A
Cited
US3017648A
Cited
US2978721A
Cited
US3083390A
Cited
US3058136A
Cited
US3042950A
Cited
US3217347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |