Patent US3074417A successfully refreshed from Google Patents.
US3074417A
Expired / Lapsed
US
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Work processing apparatus
Assignee: Natural Products Co
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Filing: 1955-08-08
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Granted: 1963-01-22
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Expires: 1975-08-08
Abstract
No abstract record available.
Inventors
- 👤 John A Lisowski
- 👤 Frank B Lisowski
- 👤 Leonard E Lisowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:58
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/02; B65G49/04; B65G49/0409; B65G49/0436; B65G49/044; B65G49/045; B65G49/0454; B65G49/0463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN WORK PROCESSING APPARATUS INCLUDING A SERIES OF TANKS FOR TREATING AGENTS, A RECIPROCATORY CARRIAGE AT ONE SIDE OF SAID SERIES AND EXTENDING TO OVERLAP ALL OF SAID TANKS, INDIVIDUAL WORK SUSPENSION CARRIES, RAILS ABOVE SAID TANKS ON WHICH SAID CARRIERS REST WITH THE WORK IMMERSED IN THE TANK, MEANS ON SAID CARRIAGE FOR ADVANCING SAID CARRIERS ALONG SAID RAILS STEP BY STEP IN SUCCESSIVE RECIPROCATIONS, ELEVATORS ON SAID CARRIAGE HAVING CANTILEVER ARMS EXTENDING OVER SAID TANKS AND LOCATED TO LIFT SAID CARRIER AND SUSPENDED WORK FOR CLEARENCE IN PASSING FROM ONE TANK TO ANOTHER AND REDEPOSITING ON A RAIL OF THE LATTER; MEANS FOR BY-PASSING A TANK COMPRISING AN ELEVATED SUPPORTED THEREABOVE WITH WHICH A WORK CARRIER IS REGISTERED BY THE FORWARD MOVEMENT OF AN ELEVATOR FROM PRECEDING TANK AND ON WHICH IT IS SUPPORTED DURING DOWNWARD MOVEMENT OF SAID ELEVATOR.
Claim 2
Dependent Claim
142 words
IN WORK PROCESSING APPARATUS INCLUDING A SERIES OF TANKS FOR TREATING AGENTS, A RECIPROCATORY CARRIAGE AT ONE SIDE OF SAID SERIES AND EXTENDING TO OVERLAP ALL OF SAID TANKS, INDIVIDUAL WORK SUSPENSION CARRIES, RAILS ABOVE SAID TANKS ON WHICH SAID CARRIERS REST WITH THE WORK IMMERSED IN THE TANK, MEANS ON SAID CARRIAGE FOR ADVANCING SAID CARRIERS ALONG SAID RAILS STEP BY STEP IN SUCCESSIVE RECIPROCATIONS, ELEVATORS ON SAID CARRIAGE HAVING CANTILEVER ARMS EXTENDING OVER SAID TANKS AND LOCATED TO LIFT SAID CARRIER AND SUSPENDED WORK FOR CLEARENCE IN PASSING FROM ONE TANK TO ANOTHER AND REDEPOSITING ON A RAIL OF THE LATTER; MEANS FOR BY-PASSING A TANK COMPRISING AN ELEVATED SUPPORTED THEREABOVE WITH WHICH A WORK CARRIER IS REGISTERED BY THE FORWARD MOVEMENT OF AN ELEVATOR FROM PRECEDING TANK AND ON WHICH IT IS SUPPORTED DURING DOWNWARD MOVEMENT OF SAID ELEVATOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |