US3140707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
spinelli
Assignee: —
•
Filing: —
•
Granted: 1964-07-14
•
Expires: 1981-07-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:36
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US642314A
Cited
US969716A
Cited
US1462527A
Cited
US1821292A
Cited
US1841245A
Cited
US2104363A
Cited
US2630637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |