Patent US3036628A successfully refreshed from Google Patents.
US3036628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projection screen
Assignee: Radiant Manufacturing Corp
•
Filing: 1956-08-17
•
Granted: 1962-05-29
•
Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 Nicholas William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:15
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US513783A
Cited
US769925A
Cited
US764516A
Cited
US1147834A
Cited
US1981444A
Cited
US1946639A
Cited
DE915384C
Cited
US2793687A
Cited
US2696249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |