US3041501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical energy storage device
Assignee: Recon Optical Inc
•
Filing: 1959-04-03
•
Granted: 1962-06-26
•
Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 Samuel P Willits
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:22
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/16; H03; H03K; H03K3/00; H03K3/02; H03K3/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2495301A
Cited
US2310092A
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US2431151A
Cited
US2589720A
Cited
US2840763A
Cited
US2789254A
Cited
US2819442A
Cited
US2843745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |