US3519456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer materials
Assignee: Esselte Pendaflex Corp
•
Filing: 1965-02-02
•
Granted: 1970-07-07
•
Expires: 1985-02-02
Abstract
No abstract record available.
Inventors
- 👤 Kenneth James Reed
- 👤 Alan Lennox Lythgoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:58
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/10; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/17; B44C1/1733; B44C1/1737; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/29; Y10T428/2982; Y10T428/2991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2139068A
Cited
US2263196A
Cited
US3036924A
Cited
US3031327A
Cited
US3131106A
Cited
US3368989A
Cited
US3212913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |