Patent US3222510A successfully refreshed from Google Patents.
US3222510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projecting colored light
Assignee: Individual
•
Filing: 1962-01-18
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Granted: 1965-12-07
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Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Edward C Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:29
CPC Classifications
A; A63; A63J; A63J17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
APPARATUS FOR THE PROJECTION OF A PLURALITY OF SEPARATE AND COLORED LIGHT BEAMS INCLUDING A KEYBOARD HAVING A PLURALITY OF MANUALLY OPERABLE KEYS, A SINGLE SOURCE OF LIGHT, A PLURALITY OF LIGHT FOCUSING MEANS FOR FOCUSING A PLURALITY OF LIGHT BEAMS FROM THE SOURCE AT ANGLES TO EACH OTHER, COLOR CONTROL MEANS IN THE PATH OF EACH FO-
Claim 2
Dependent Claim
58 words
APPARATUS FOR THE PROJECTION OF A PLURALITY OF SEPARATE AND COLORED LIGHT BEAMS INCLUDING A KEYBOARD HAVING A PLURALITY OF MANUALLY OPERABLE KEYS, A SINGLE SOURCE OF LIGHT, A PLURALITY OF LIGHT FOCUSING MEANS FOR FOCUSING A PLURALITY OF LIGHT BEAMS FROM THE SOURCE AT ANGLES TO EACH OTHER, COLOR CONTROL MEANS IN THE PATH OF EACH FO-
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |