Patent US1833364A successfully refreshed from Google Patents.
Patent US3116504A successfully refreshed from Google Patents.
US3116504A
Expired / Lapsed
US
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Bowling lane duster with tapered roller
Assignee: Pines Engineering Co Inc
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Filing: 1962-07-02
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Granted: 1964-01-07
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Unterbrink Victor
- 👤 Unterbrink Larry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:16
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4047; A47L11/02; A47L11/04; A47L11/08; A63; A63D; A63D5/00; A63D5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A DUSTER APPARATUS INCLUDING A WEB OF MATERIAL ADAPTED TO BE ROLLED UPON A REWIND ROLLER, SAID REWIND ROLLER COMPRISING A PAIR OF LIKE HALVES SPACED APART AND ARRANGED END TO END AND UPON WHICH SAID WEB IS WOUND, AND A CUTTER MOUNTED ON BETWEEN THE ROLLER HALVES, SAID CUTTER BEING ROTATABLY MOVABLE INDEPENDENTLY OF SAID REWIND ROLLER TO SLIT THE WEB AS IT IS WOUND UPON SAID ROLLER.
Claim 2
Dependent Claim
70 words
IN A DUSTER APPARATUS INCLUDING A WEB OF MATERIAL ADAPTED TO BE ROLLED UPON A REWIND ROLLER, SAID REWIND ROLLER COMPRISING A PAIR OF LIKE HALVES SPACED APART AND ARRANGED END TO END AND UPON WHICH SAID WEB IS WOUND, AND A CUTTER MOUNTED ON BETWEEN THE ROLLER HALVES, SAID CUTTER BEING ROTATABLY MOVABLE INDEPENDENTLY OF SAID REWIND ROLLER TO SLIT THE WEB AS IT IS WOUND UPON SAID ROLLER.
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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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |