Patent US3473103A successfully refreshed from Google Patents.
US3473103A
Expired / Lapsed
US
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Aluminum anodizing apparatus
Assignee: Murdock Inc
•
Filing: 1968-08-30
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Granted: 1969-10-14
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Expires: 1988-08-30
Abstract
No abstract record available.
Inventors
- 👤 Fred C Schaedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:51
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/005; C25D11/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806796A
Cited
US2930741A
Cited
US1785389A
Cited
US2262845A
Cited
US3063929A
Cited
DE1132985B
Cited
US3341445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |