US3396696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens turner for high vacuum evaporators
Assignee: RALPH F BECKER
•
Filing: 1966-10-06
•
Granted: 1968-08-13
•
Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:08
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/50; C23C14/505
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
IN A LENS TURNING APPARATUS FOR A HIGH VACUUM EVAPORATOR MACHINE AS SET FORTH IN CLAIM 1 WHEREIN SAID OPERATING DEVICE INCLUDES A RADIALLY DISPOSED ARM JOURNNALLED ON SAID BASE PLATE ABOUT THE AXIS OF SAID WORK SPINDLE AND DEMOUNTABLY CONNECTED TO SAID ACTUATING MEANS OF ITEM H WITH SAID MAGNETIC ELEMENT AT THE OUTER END OF SAID ARM SWINGING AROUND CLOSELY ADJACENT THE INSIDE SURFACE OF SAID BELL JAR WHEN SAID WORK SPINDLE IS ROTATING AND SWINGABLE BY APPLYING SAID MAGNET TO THE OUTSIDE SURFACE OF SAID BELL JAR WHEN SAID WORK SPINDLE IS STOPPED TO THEREBY TURN ONE OR THE OTHER SIDE OF SAID LENSES TO OPERATIVE POSITION.
References Cited (Backward Citations)
US2160981A
Cited
US2245425A
Cited
US2260471A
Cited
US2369764A
Cited
US2410720A
Cited
US2417472A
Cited
US2532971A
Cited
US2997979A
Cited
US3336898A
Cited
US3312190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |