US3273016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder sprayers
Assignee: Oxy Dry Sprayer Corp
•
Filing: 1964-04-23
•
Granted: 1966-09-13
•
Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Warren G Buhler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:51
CPC Classifications
B; B41; B41F; B41F23/00; B41F23/04; B41F23/06; B05; B05B; B05B5/00; B05B5/025; B05B5/04; B05B5/057
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN AN ELECTROSTATIC POWDER SPRAYER, THE COMBINATION OF A PAIR OF SPACED APART END MEMBERS; MEANS DEFINING A POWDER RECEPTACLE BETWEEN SAID END MEMBERS; A METERING MECHANISM COMMUNICATING WITH SAID RECEPTACLE INCLUDING A DISPENSING ROLLER HAVING A POWDER CARRYING SURFACE JOURNALED BETWEEN SAID END MEMBERS AND LOCATED WITHIN AN OPENING BENEATH SAID RECEPTACLE, SAID DISPENSING ROLLER HAVING A CYLINDRICAL SURFACE CONSISTING OF A MATERIAL HAVING A SUBSTANTIAL ELECTRICAL AND ELECTROSTATIC RESISTANCE, AND A WIPING BLADE SECURED TO SAID RECEPTACLE AND DISPOSED TO TANGENTIALLY ENGAGE SAID ROLLER;
Claim 2
Dependent Claim
86 words
IN AN ELECTROSTATIC POWDER SPRAYER, THE COMBINATION OF A PAIR OF SPACED APART END MEMBERS; MEANS DEFINING A POWDER RECEPTACLE BETWEEN SAID END MEMBERS; A METERING MECHANISM COMMUNICATING WITH SAID RECEPTACLE INCLUDING A DISPENSING ROLLER HAVING A POWDER CARRYING SURFACE JOURNALED BETWEEN SAID END MEMBERS AND LOCATED WITHIN AN OPENING BENEATH SAID RECEPTACLE, SAID DISPENSING ROLLER HAVING A CYLINDRICAL SURFACE CONSISTING OF A MATERIAL HAVING A SUBSTANTIAL ELECTRICAL AND ELECTROSTATIC RESISTANCE, AND A WIPING BLADE SECURED TO SAID RECEPTACLE AND DISPOSED TO TANGENTIALLY ENGAGE SAID ROLLER;
References Cited (Backward Citations)
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US2394657A
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |