US3076123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulb changing means
Assignee: Individual
•
Filing: 1959-07-06
•
Granted: 1963-01-29
•
Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Julian A Mcdermott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:45
CPC Classifications
H; H05; H05B; H05B39/00; H05B39/10; H05B39/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
IN A CIRCUIT TO FLASH AN INCANDESCENT LIGHT BULB HAVING TWO TERMINALS AND INCLUDING AN NPN AND A PNP TYPE TRANSISTOR OPERATING TOGETHER TO ACHIEVE OSCILLATION, SAID CIRCUIT INCLUDING A RESISTOR, ONE SIDE OF SAID RESISTOR CONNECTED TO ONE TERMINAL OF SAID BULB, A CONDENSER, SAID CONDENSER CONNECTED BETWEEN THE OTHER SIDE OF SAID RESIS-
Claim 2
Dependent Claim
55 words
IN A CIRCUIT TO FLASH AN INCANDESCENT LIGHT BULB HAVING TWO TERMINALS AND INCLUDING AN NPN AND A PNP TYPE TRANSISTOR OPERATING TOGETHER TO ACHIEVE OSCILLATION, SAID CIRCUIT INCLUDING A RESISTOR, ONE SIDE OF SAID RESISTOR CONNECTED TO ONE TERMINAL OF SAID BULB, A CONDENSER, SAID CONDENSER CONNECTED BETWEEN THE OTHER SIDE OF SAID RESIS-
References Cited (Backward Citations)
US2998545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |