US3428017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phantom drive
Assignee: Individual
•
Filing: 1966-09-16
•
Granted: 1969-02-18
•
Expires: 1986-09-16
Abstract
No abstract record available.
Inventors
- 👤 George Altson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:14
CPC Classifications
B; B63; B63H; B63H21/00; B63H21/30; B63H21/305; B63H1/00; B63H1/02; B63H1/12; B63H1/14; B63H1/15; B63H23/00; B63H23/32; B63H23/321; B63H2023/325
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1948744A
Cited
US1948745A
Cited
US2002517A
Cited
US2103087A
Cited
US2107606A
Cited
US2814352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |