US2979602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination illuminated writing instrument and flashlight
Assignee: Individual
•
Filing: 1957-12-26
•
Granted: 1961-04-11
•
Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Harry E Barnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:34
CPC Classifications
B; B43; B43K; B43K29/00; B43K29/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR978634A
Cited
US1546715A
Cited
US1919024A
Cited
US2171304A
Cited
US2368839A
Cited
US2706769A
Cited
FR1074242A
Cited
US2783364A
Cited
US2811632A
Cited
FR1151093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |