Patent US2668022A successfully refreshed from Google Patents.
US2668022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material dispenser
Assignee: Individual
•
Filing: 1951-05-24
•
Granted: 1954-02-02
•
Expires: 1971-05-24
Abstract
No abstract record available.
Inventors
- 👤 Fairfield Elmer Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:02
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/34; A47K10/38; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/238; Y10T225/24; Y10T225/246; Y10T225/247; Y10T225/252; Y10T225/253
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US294312A
Cited
US833538A
Cited
FR413654A
Cited
US1423336A
Cited
US1718143A
Cited
US2047255A
Cited
US2253744A
Cited
US2276414A
Cited
US2381229A
Cited
US2500254A
Cited
US2487763A
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 |