US3480537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical marking arrangement with current limiting device
Assignee: Individual
•
Filing: 1966-10-05
•
Granted: 1969-11-25
•
Expires: 1986-10-05
Abstract
No abstract record available.
Inventors
- 👤 Clifford Garnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:13
CPC Classifications
B; B23; B23H; B23H9/00; B23H9/06; C; C25; C25F; C25F3/00; C25F3/02; C25F3/14; C25F3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2046440A
Cited
US2726200A
Cited
US3146392A
Cited
GB936566A
Cited
US3375428A
Cited
US3433728A
Cited
US3395334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |