US3506546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper coating
Assignee: Honeywell Inc
•
Filing: 1966-01-03
•
Granted: 1970-04-14
•
Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Peter P Semienko
- 👤 Emil Toledo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:51
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/06; C25D7/0607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733198A
Cited
US1411657A
Cited
US1768358A
Cited
US2382018A
Cited
US2667453A
Cited
US3030282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |