US3513441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Verification system
Assignee: Clary Corp
•
Filing: 1967-10-16
•
Granted: 1970-05-19
•
Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 Fred N Schwend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:30
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G06; G06C; G06C27/00; G06K; G06K7/00; G06K7/04; G06Q; G06Q20/00; G06Q20/38; G06Q20/40; G06Q20/403; G06Q20/4037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2836809A
Cited
US3035764A
Cited
US3025498A
Cited
US3258747A
Cited
US3296369A
Cited
US3315230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |