US3064862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve structure
Assignee: Paper Converting Machine Co
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Filing: 1960-02-26
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Granted: 1962-11-20
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Charles J Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:16
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/50; B; B65; B65H; B65H19/00; B65H19/22; B65H19/29; D21H5/00; D21H5/0005; D21H5/0047; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4144; B65H2301/41441; B65H2301/41442; B65H2301/414421; B65H2301/4148
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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |