Patent US3186290A successfully refreshed from Google Patents.
Patent US2888573A successfully refreshed from Google Patents.
US2888573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining lapsed time
Assignee: Individual
•
Filing: 1958-03-24
•
Granted: 1959-05-26
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Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Kavanagh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:41
CPC Classifications
G; G07; G07C; G07C3/00; G07C3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2064517A
Cited
US2193437A
Cited
US2510347A
Cited
US2721942A
Cited
US2617940A
Cited
US2635194A
Cited
US2531529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |