US2797530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sluriator
Assignee: Pangborn Corp
•
Filing: 1954-08-17
•
Granted: 1957-07-02
•
Expires: 1974-08-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph R Garver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:21
CPC Classifications
B; B24; B24C; B24C7/00; B24C7/0007; B24C7/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US554299A
Cited
US1433302A
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US1692948A
Cited
US2292897A
Cited
GB612200A
Cited
US2665035A
Cited
US2576008A
Cited
US2613482A
Cited
US2667015A
Cited
US2678520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |