US2934129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressing machine
Assignee: Pyroxylin Products Inc
•
Filing: 1955-08-30
•
Granted: 1960-04-26
•
Expires: 1975-08-30
Abstract
No abstract record available.
Inventors
- 👤 Wilson William Courtney
- 👤 Robert H Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:29
CPC Classifications
F; F16; F16P; F16P3/00; F16P3/001; F16P3/005; B; B29; B29C; B29C43/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US869857A
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US2011388A
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US2139064A
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US2171583A
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US2219896A
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US2341689A
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US2618084A
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US2578546A
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US2632968A
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US2719370A
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US2693752A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |