US3508041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flashing tie clasp
Assignee: Duracell Inc USA
•
Filing: 1966-08-31
•
Granted: 1970-04-21
•
Expires: 1986-08-31
Abstract
No abstract record available.
Inventors
- 👤 Louis P Sweany
- 👤 Robert L Meek Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:05
CPC Classifications
H; H05; H05B; H05B39/00; H05B39/09; A; A44; A44C; A44C15/00; A44C15/0015; Y; Y10; Y10T; Y10T24/00; Y10T24/19; Y10T24/1983
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734129A
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US2591419A
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US2714152A
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US2798148A
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US2782296A
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US2854563A
Cited
GB969770A
Cited
US3130349A
Cited
US3193611A
Cited
US3256428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |