Patent US2993956A successfully refreshed from Google Patents.
US2665634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stencil printing apparatus
Assignee: Velveray Corp
•
Filing: 1947-03-10
•
Granted: 1954-01-12
•
Expires: 1967-03-10
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Schwartz
- 👤 Gross Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:09
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/08; B41F15/0831; B41F15/0836; B41F15/14; B41F15/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US923242A
Cited
US1673933A
Cited
US1541787A
Cited
US1549677A
Cited
US1739264A
Cited
US1526266A
Cited
US1588318A
Cited
US1612949A
Cited
US1711866A
Cited
US2084827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |