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Patent US2961668A successfully refreshed from Google Patents.
US2961668A
Expired / Lapsed
US
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Slumber pillow
Assignee: Individual
•
Filing: 1958-11-18
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Granted: 1960-11-29
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Expires: 1978-11-18
Abstract
No abstract record available.
Inventors
- 👤 Hayes Frances
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:17
CPC Classifications
A; A47; A47D; A47D15/00; A47D15/005; A47D15/008; A47G; A47G9/00; A47G9/10; A47G9/1045
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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |