US2948451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll paper dispensing apparatus
Assignee: Individual
•
Filing: 1957-09-26
•
Granted: 1960-08-09
•
Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Frank R Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:07
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/34; A47K10/38; A47K10/3809; A47K10/3827; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/232; Y10T225/236; Y10T225/237; Y10T225/238; Y10T225/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE53453C
Cited
US551138A
Cited
US637203A
Cited
US824323A
Cited
US1268222A
Cited
US2146038A
Cited
US2626761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |