Patent US3309227A successfully refreshed from Google Patents.
US3309227A
Expired / Lapsed
US
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Wax masking process
Assignee: General Precision Inc
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Filing: 1963-06-17
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Granted: 1967-03-14
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Mcteague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:57
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/04; C23C14/042; H; H10; H10N; H10N97/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA452816A
Cited
US2159351A
Cited
US3115423A
Cited
US2957779A
Cited
US3096189A
Cited
US3226255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |