Patent US2682722A successfully refreshed from Google Patents.
US2682722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linked holder for lantern slides
Assignee: VITARAMA CORP
•
Filing: 1948-12-04
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Granted: 1954-07-06
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Expires: 1968-12-04
Abstract
No abstract record available.
Inventors
- 👤 Waller Fred
- 👤 Waldo M Maclaury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:20
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US713988A
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US1022743A
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US1189419A
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US1850903A
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US1930421A
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US1934107A
Cited
US2007561A
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US2072028A
Cited
US2152495A
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US2532776A
Cited
US2395191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |