Patent US3039685A successfully refreshed from Google Patents.
US3039685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic counter
Assignee: HP Inc
•
Filing: 1957-03-27
•
Granted: 1962-06-19
•
Expires: 1977-03-27
Abstract
No abstract record available.
Inventors
- 👤 Alan S Bagley
- 👤 Robert E Rawlins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:04
CPC Classifications
H; H03; H03K; H03K21/00; H03K21/08; H03K23/00; H03K23/82
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2510485A
Cited
US2493627A
Cited
US2576900A
Cited
US2539623A
Cited
US2456226A
Cited
US2672284A
Cited
US2563841A
Cited
US2743419A
Cited
US2717994A
Cited
US2977046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |