US2835997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of forming flakes
Assignee: Wyeth LLC
•
Filing: 1952-04-07
•
Granted: 1958-05-27
•
Expires: 1972-04-07
Abstract
No abstract record available.
Inventors
- 👤 Steinhilber Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:37
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; A; A63; A63J; A63J5/00; A63J5/02; A63J5/028; C; C09; C09K; C09K3/00; C09K3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1892750A
Cited
US1945998A
Cited
US2440915A
Cited
US2515250A
Cited
US2617780A
Cited
US2529092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |