US3458747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamp with improved integrally-molded foamed plastic base having internal stress-relieving means
Assignee: Philips North America LLC
•
Filing: 1966-10-03
•
Granted: 1969-07-29
•
Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Gainer
- 👤 Russell M Luck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:14
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/50; H01J5/54; H01J5/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2163177A
Cited
US2535773A
Cited
US2922216A
Cited
US3153694A
Cited
US3064069A
Cited
US3205394A
Cited
US3077022A
Cited
US3133978A
Cited
US3253179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |