US2976125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating drum ammoniator with internal mechanical scraper
Assignee: Individual
•
Filing: 1957-09-12
•
Granted: 1961-03-21
•
Expires: 1977-09-12
Abstract
No abstract record available.
Inventors
- 👤 Murrel W Buzzan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:59
CPC Classifications
C; C05; C05B; C05B1/00; C05B1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN A TOTATING DRUM TYPE AMMONIATOR, THE COMBINATION OF AN ELONGATED DRUM HAVING A CYLINDRICACL WALL; MEANS MOUNTING SAID DRUM FOR ROTATION ABOUT AN AXIS CONCENTRIC WITH SAID WALL; A SCRAPER ASSEMBLY INCLUDING AN ELONGATED, RIGID, SHIFTABLE MEMBER PARALLEL WITH SAID AXIS OF ROTATION; MEANS MOUNTING SAID MEMBER FOR RECIPROCATION IN EITHER DIRECTION ALONG THE LONGITUDINAL AXIS
Claim 2
Dependent Claim
57 words
IN A TOTATING DRUM TYPE AMMONIATOR, THE COMBINATION OF AN ELONGATED DRUM HAVING A CYLINDRICACL WALL; MEANS MOUNTING SAID DRUM FOR ROTATION ABOUT AN AXIS CONCENTRIC WITH SAID WALL; A SCRAPER ASSEMBLY INCLUDING AN ELONGATED, RIGID, SHIFTABLE MEMBER PARALLEL WITH SAID AXIS OF ROTATION; MEANS MOUNTING SAID MEMBER FOR RECIPROCATION IN EITHER DIRECTION ALONG THE LONGITUDINAL AXIS
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) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |