US3472203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means to immerse and tilt workholder
Assignee: Individual
•
Filing: 1966-12-19
•
Granted: 1969-10-14
•
Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:59
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/742; B31B50/745; B31B50/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US198383A
Cited
US561712A
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US657354A
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US740811A
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US681275A
Cited
US851236A
Cited
US2643662A
Cited
US2953969A
Cited
US3047436A
Cited
DE1161741B
Cited
US3367302A
Cited
US3320963A
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 |