Patent US3446644A successfully refreshed from Google Patents.
US3446644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a decorative coating on a surface
Assignee: Individual
•
Filing: 1966-12-29
•
Granted: 1969-05-27
•
Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Richard John Murphy
- 👤 Robert Dwight Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:35
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/24372; Y10T428/24405; Y10T428/31504; Y10T428/31551; Y10T428/31554
Claims Analysis
Total Claims: 0
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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) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |