US3072133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Etching apparatus and method of etching
Assignee: TASOPE CO
•
Filing: 1959-04-13
•
Granted: 1963-01-08
•
Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Charles S Martz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:02
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
IN AN ETCHING APPARATUS, A TANK HOLDING A SUPPLY OF ETCHANT, MEANS IN THE TANK ADAPTED TO SUPPORT A WORK PIECE ABOVE THE ETCHANT SUPPLY, MEANS ENGAGING THE ETCHANT SUPPLY FOR THROWING AN ETCHANT SPRAY ON THE WORK PIECE, A TURBINE DISTRIBUTOR LOCATED ABOVE AND OUT OF THE ETCHANT SUPPLY, AND LOCATED AT ONE SIDE OF THE WORK PIECE, THE TURBINE DISTRIBUTOR HAVING MEANS CATCHING THE ETCHANT SPRAY DEFLECTED DIRECTLY FROM THE WORK PIECE, AND MEANS FOR ROTATING THE TUBINE DISTRIBUTOR, THE TURBINE DISTRIBUTOR HAVING MEANS THROWING THE DEFLECTED ETCHANT SPRAY BACK ON THE WORK PIECE.
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |