US2785489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
List finders
Assignee: BESSIE E POLLOCK
•
Filing: 1955-05-20
•
Granted: 1957-03-19
•
Expires: 1975-05-20
Abstract
No abstract record available.
Inventors
- 👤 Lannert Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:23
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/34; B42F17/346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1027523A
Cited
US1231816A
Cited
US1835206A
Cited
US2239958A
Cited
US2573534A
Cited
US2541881A
Cited
US2524209A
Cited
US2550598A
Cited
US2717605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |