Patent US3216666A successfully refreshed from Google Patents.
US3216666A
Expired / Lapsed
US
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Supporting system for rotary drums and the like
Assignee: MORGARDSHAMMARS MEK VERKSTADS AB
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Filing: 1963-02-04
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Granted: 1965-11-09
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Svensson Assar Natanael
- 👤 Engstrom Nils Ragnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:22
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/18; B02C17/24; B02C17/181
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
DRUM ARRANGEMENT, COMPRISING A DRUM AND ENDLESS BELT UNITS, EACH UNIT COMPRISING AN ENDLESS BELT AND PULLEYS FOR DRIVING SAID BELT AND GUIDING IT TO ENGAGE ONE RUM OF THE BELT WITH THE CIRCUMFERENCE OF THE DRUM, TWO PULLEYS BEING COMMON TO TWO BELT UNITS WITH SAID TWO PULLEYS ON OPPOSITE SIDES OF THE DRUM, AND RESILIENT MEANS ACTUATING SAID GUIDE PULLEYS FOR APPLYING TENSION TO THE ENDLESS BELTS.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |