US3260408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means of dispersing particulate material in a stream of carrier fluid
Assignee: Bell and Howell Co
•
Filing: 1964-04-08
•
Granted: 1966-07-12
•
Expires: 1984-04-08
Abstract
No abstract record available.
Inventors
- 👤 Louis A Smitzer
- 👤 William E Bixby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:28
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/30; B01F35/00; B01F35/71; B01F35/714; B01F35/7141; B01F35/71411; B01F35/714112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD OF DISPERSING A PARTICULATE MATERIAL IN A CARRIER STREAM WHICH INCLUDES THE STEPS OF FILLING A ROW OF METERING APERTURES WITH PARTICULATE MATERIAL, DRIVING A SUPPLY OF CARRIER FLUID THROUGH A CIRCUT IN THE FORM OF A STREAM, AND AT ONE POINT IN THE CIRCUIT DIRECTING THE STREAM SELECTIVELY THROUGH SAID APERTURES SEPARATELY AND SEQUENTIALLY TO ADMIX THE CONTENTS OF EACH APERTURE IN THE STREAM.
Claim 2
Independent Claim
67 words
THE METHOD OF DISPERSING A PARTICULATE MATERIAL IN A CARRIER STREAM WHICH INCLUDES THE STEPS OF FILLING A ROW OF METERING APERTURES WITH PARTICULATE MATERIAL, DRIVING A SUPPLY OF CARRIER FLUID THROUGH A CIRCUT IN THE FORM OF A STREAM, AND AT ONE POINT IN THE CIRCUIT DIRECTING THE STREAM SELECTIVELY THROUGH SAID APERTURES SEPARATELY AND SEQUENTIALLY TO ADMIX THE CONTENTS OF EACH APERTURE IN THE STREAM.
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |