US2073679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating apparatus
Assignee: AT&T Inc
•
Filing: 1935-02-05
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Granted: 1937-03-16
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Expires: 1955-02-05
Abstract
No abstract record available.
Inventors
- 👤 Brown Morris
- 👤 Stephen F O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:14
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/02; C25D17/00; C25D17/06; C25D17/08
Claims Analysis
Total Claims: 0
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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) | 1940-03-15 | 1940-09-14 | 1941-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-15 | 1944-09-14 | 1945-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-15 | 1948-09-14 | 1949-03-16 | $7700.00 | Window Closed / Lapsed |