US3040204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microminiature incandescent lamp
Assignee: Individual
•
Filing: 1960-03-04
•
Granted: 1962-06-19
•
Expires: 1980-03-04
Abstract
No abstract record available.
Inventors
- 👤 Donald J Belknap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:50
CPC Classifications
H; H01; H01K; H01K3/00; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/24; H01J5/32; H01K1/00; H01K1/02; H01K1/14; H01K1/38; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0038; H01J2893/0039
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2191346A
Cited
US2449650A
Cited
US2740186A
Cited
US2864025A
Cited
US2813993A
Cited
US2922216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |