US2850820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display fixture
Assignee: VARIETY DISPLAY SERVICE Inc
•
Filing: 1956-11-23
•
Granted: 1958-09-09
•
Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Richard A Lersch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:10
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2342542A
Cited
GB190211713A
Cited
US1188227A
Cited
US1223998A
Cited
US2080325A
Cited
US2130945A
Cited
US2141342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |