Patent US3094770A successfully refreshed from Google Patents.
US3094770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite paint roller
Assignee: Individual
•
Filing: 1961-06-21
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Granted: 1963-06-25
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Expires: 1981-06-21
Abstract
No abstract record available.
Inventors
- 👤 Williams George Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:37
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
A PAINT ROLLER INCLUDING AN AXLE AND A HOLLOW CYLINDRICAL ROLLER JOURNALED ON SAID AXLE, SAID ROLLER COMPRISING A PLURALITY OF ELONGATED CONCAVO-CONVEX SHELLS DISPOSED IN SIDE BY SIDE RELATION SPACED CIRCUMFERENTIALLY ABOUT AND EQUIDISTANTLY FROM SAID AXLE, THE OPPOSITE ENDS OF EACH SHELL HAVING AXIALLY EXTENDING FLANGES HAVING CONVEX CYLINDRICAL SURFACES DISPOSED AT A LESSER RADIAL DISTANCE FROM SAID AXLE THAN THE EXTERIOR SURFACES OF SAID SHELLS, A PAIR OF RIGID CONNECTORS EACH AT ONE END OF SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |