US3397076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semicrystallized ground coats and enameled articles manufactured therefrom
Assignee: Pfaudler Inc
•
Filing: 1964-11-20
•
Granted: 1968-08-13
•
Expires: 1984-11-20
Abstract
No abstract record available.
Inventors
- 👤 John R Little
- 👤 Elbert A Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:08
CPC Classifications
C; C03; C03C; C03C4/00; C03C10/00; C03C10/0009; C23; C23D; C23D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3062685A
Cited
US2930713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |