US2667915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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 00:44
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/10; Y; Y10; Y10S; Y10S5/00; Y10S5/948; Y10S5/951
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |