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US2950820A
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US
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Assignee: Mead Corp
•
Filing: 1957-12-09
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Granted: 1960-08-30
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Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Robert A Shiels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:09
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US955883A
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US1275983A
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US1972532A
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US1917886A
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US2129488A
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US2120610A
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US2271784A
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US2328910A
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US2376916A
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US2469776A
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US2637445A
Cited
US2716495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |