Patent US2667915A successfully refreshed from Google Patents.
US2667915A
Expired / Lapsed
US
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Pillow
Assignee: Individual
•
Filing: 1949-11-21
•
Granted: 1954-02-02
•
Expires: 1969-11-21
Abstract
No abstract record available.
Inventors
- 👤 Woodrow W Pfeffer
- 👤 Lawrence C Northquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:45
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/10; Y; Y10; Y10S; Y10S5/00; Y10S5/948; Y10S5/951
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US516270A
Cited
FR419527A
Cited
CH60476A
Cited
US1068355A
Cited
US1540685A
Cited
US1489308A
Cited
GB269125A
Cited
FR764714A
Cited
FR782695A
Cited
US2234072A
Cited
US2291155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |