US3378401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the formation of visible images on a substrate
Assignee: 3M Co
•
Filing: 1964-02-11
•
Granted: 1968-04-16
•
Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Kaspaul
- 👤 Erika E Kaspaul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:51
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/22; C; C23; C23C; C23C14/00; C23C14/04; C23C14/048; C23C16/00; C23C16/04; C23C16/047; G03C; G03C1/00; G03C1/72; G03C1/725; G03C1/7253; G03C1/73; G03C1/735; G03C5/00; G03C5/58; H; H10; H10N; H10N97/00; Y; Y10; Y10S; Y10S430/00; Y10S430/143
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2883257A
Cited
US2913357A
Cited
US3018194A
Cited
US3119707A
Cited
US3243363A
Cited
US3140143A
Cited
US3056881A
Cited
US3239374A
Cited
US3234044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |