US3432910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying a non-ferrous corrosion resistant coating to refrigeration components
Assignee: Refrigeration Research Inc
•
Filing: 1965-08-23
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Granted: 1969-03-18
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Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Edward W Bottum
- 👤 Frank H Rockwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:08
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/08; C23C24/10; C23C24/103; C23C24/106; B; B23; B23K; B23K1/00; B23K1/0008; B23K1/19; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1755416A
Cited
US2202403A
Cited
US2255301A
Cited
US2373921A
Cited
US2787827A
Cited
US3107421A
Cited
US2957237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |