US3247601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary vessels
Assignee: Frederick Parker Ltd
•
Filing: 1962-03-23
•
Granted: 1966-04-26
•
Expires: 1982-03-23
Abstract
No abstract record available.
Inventors
- 👤 Sims Ernest James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:47
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/02; F26B11/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
IN AN APPARATUS OF THE CLASS REFERRED TO, A ROTARY HEAT PROCESSING VESSEL A ROLLER PATH SURROUNDING THE HEAT PROCESSING VESSEL, MEANS FASTENING THE ROLLER PATH TO THE HEAT PROCESSING VESSEL COMPRISING RELATIVELY-MOVABLE WEDGE PARTS ONE WEDGE PART BEING RIGIDLY AFFIXED RESPECTIVELY TO THE SAID VESSEL AND THE SAID ROLLER PATH, SAID WEDGE PARTS HAVING COOPERATING WEDGE SURFACES RELATIVELY AND MUTU-
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |