Patent US2950821A successfully refreshed from Google Patents.
US2950821A
Expired / Lapsed
US
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Sheet holding and dispensing device
Assignee: Individual
•
Filing: 1956-10-25
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Granted: 1960-08-30
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Expires: 1976-10-25
Abstract
No abstract record available.
Inventors
- 👤 Charles F Hoofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:52
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/003; B42D5/005; B42D5/006; A; A47; A47K; A47K10/00; A47K10/16; A47K10/18; A47K10/20; B42D5/008; Y; Y10; Y10T; Y10T24/00; Y10T24/46; Y10T24/4696; Y10T24/4698
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US473099A
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US564172A
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US739436A
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US920148A
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US919718A
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US1359243A
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GB326244A
Cited
US2398487A
Cited
US2607070A
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 |