Patent US2839015A successfully refreshed from Google Patents.
US2839015A
Expired / Lapsed
US
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Adjustable pressure roll for rotary tablet press having self accommodating bridge
Assignee: FJ Stokes Corp
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Filing: 1955-12-12
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Granted: 1958-06-17
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Expires: 1975-12-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:37
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/02; B22F3/03; B30; B30B; B30B11/00; B30B11/02; B30B11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |