US2917169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp bulb feeder
Assignee: GTE Sylvania Inc
•
Filing: 1955-08-22
•
Granted: 1959-12-15
•
Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Donald L Kingston
- 👤 Burleigh H Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:58
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407; Y; Y10; Y10S; Y10S209/00; Y10S209/934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1550803A
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US1623825A
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US1989898A
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US2303226A
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US2340775A
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US2439883A
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US2417878A
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US2546866A
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US2696909A
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US2743001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |