US2968218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide box magazine means
Assignee: Viewlex Inc
•
Filing: 1958-01-21
•
Granted: 1961-01-17
•
Expires: 1978-01-21
Abstract
No abstract record available.
Inventors
- 👤 Henry J Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:49
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/06; Y; Y10; Y10S; Y10S353/00; Y10S353/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |