US3287547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated tweezer
Assignee: Individual
•
Filing: 1964-06-10
•
Granted: 1966-11-22
•
Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Albert W Spedding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
G; G04; G04D; G04D1/00; G04D1/02; G04D1/021; F; F21; F21L; F21L2/00; F21V; F21V33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1144210A
Cited
US2171304A
Cited
US2376448A
Cited
US2666843A
Cited
US2885537A
Cited
US2736793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |