US2675348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for metal plating
Assignee: Individual
•
Filing: 1950-09-16
•
Granted: 1954-04-13
•
Expires: 1970-09-16
Abstract
No abstract record available.
Inventors
- 👤 Greenspan Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:49
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/10; Y; Y10; Y10S; Y10S204/00; Y10S204/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A DEVICE FOR PLATING TH EFRONT METALLIZED SURFACE OF A PHONOGRAPH RECORD COMPRISING A BACKPLATE, A CATHODE HOLDER ATTACHED TO THE BACK OF SAID BACKPLATE, SAID CATHODE HOLDER HAVING MEANS ON ONE END TO ELECTRICALLY CONTACT A NEGATIVE BUS BAR OF A SOURCE OF DIRECT CURRENT, AND MEANS AT THE OTHER END TO MAKE ELECTRICAL CONTACT THROUGH SAID BACKPLATE WITH SAID METALLIZED SURFACE OF SAID PHONOGRAPH RECORD, MEANS IN THE FRONT OF SAID BACKPLATE TO HOLD THE REAR SURFACE OF SAID PHONOGRAPH RECORD IN CONTACT WITH THE FRONT SURFACE OF SAID BACKPLATE, AND MEANS NEAR THE BOT-
Claim 2
Independent Claim
97 words
A DEVICE FOR PLATING TH EFRONT METALLIZED SURFACE OF A PHONOGRAPH RECORD COMPRISING A BACKPLATE, A CATHODE HOLDER ATTACHED TO THE BACK OF SAID BACKPLATE, SAID CATHODE HOLDER HAVING MEANS ON ONE END TO ELECTRICALLY CONTACT A NEGATIVE BUS BAR OF A SOURCE OF DIRECT CURRENT, AND MEANS AT THE OTHER END TO MAKE ELECTRICAL CONTACT THROUGH SAID BACKPLATE WITH SAID METALLIZED SURFACE OF SAID PHONOGRAPH RECORD, MEANS IN THE FRONT OF SAID BACKPLATE TO HOLD THE REAR SURFACE OF SAID PHONOGRAPH RECORD IN CONTACT WITH THE FRONT SURFACE OF SAID BACKPLATE, AND MEANS NEAR THE BOT-
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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) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |