Patent US3247806A successfully refreshed from Google Patents.
US3247806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power and free conveyor
Assignee: Jervis B Webb Co
•
Filing: 1964-05-21
•
Granted: 1966-04-26
•
Expires: 1984-05-21
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Dehne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:24
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A POWER AND FREE CONVEYOR HAVING A LOAD TRACK SUPPORTING A CARRIER EQUIPPED WITH A PAIR OF LONGITUDINALLY SPACED LEADING AND TRAILING DRIVING DOGS, A RECEIVING POWER TRACK SUPPORTING AN ENDLESS PROPELLING MEMBER HAVING PAIRS OF LONGITUDINALLY SPACED LEADING AND TRAILING PUSHERS MOUNTED THEREON WITH THE SPACING BETWEEN EACH PAIR OF PUSHERS BEING SLIGHTLY IN EXCESS OF THE SPACING BETWEEN SAID DRIVING DOGS AND WITH A DIFFERENT SPACING BETWEEN ADJACENT PAIRS OF LEADING AND TRAILING PUSHERS AND A TRANSFER ZONE AT WHICH THE LOAD AND RECEIVING POWER TRACKS CONVERGE TO POSITION THE PUSHERS OF THE RECEIVING POWER TRACK IN DRIVING RELATION WITH THE DOGS OF A CARRIER CHARACTERIZED BY THE PROVISION OF A DOG AND PUSHER SORTING SECTION FOLLOWING THE TRANSFER ZONE FOR AUTOMATICALLY PLACING
Claim 2
Dependent Claim
125 words
A POWER AND FREE CONVEYOR HAVING A LOAD TRACK SUPPORTING A CARRIER EQUIPPED WITH A PAIR OF LONGITUDINALLY SPACED LEADING AND TRAILING DRIVING DOGS, A RECEIVING POWER TRACK SUPPORTING AN ENDLESS PROPELLING MEMBER HAVING PAIRS OF LONGITUDINALLY SPACED LEADING AND TRAILING PUSHERS MOUNTED THEREON WITH THE SPACING BETWEEN EACH PAIR OF PUSHERS BEING SLIGHTLY IN EXCESS OF THE SPACING BETWEEN SAID DRIVING DOGS AND WITH A DIFFERENT SPACING BETWEEN ADJACENT PAIRS OF LEADING AND TRAILING PUSHERS AND A TRANSFER ZONE AT WHICH THE LOAD AND RECEIVING POWER TRACKS CONVERGE TO POSITION THE PUSHERS OF THE RECEIVING POWER TRACK IN DRIVING RELATION WITH THE DOGS OF A CARRIER CHARACTERIZED BY THE PROVISION OF A DOG AND PUSHER SORTING SECTION FOLLOWING THE TRANSFER ZONE FOR AUTOMATICALLY PLACING
References Cited (Backward Citations)
No citation records indexed.
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 |