US2764303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston rod guard for material handling apparatus
Assignee: Individual
•
Filing: 1954-07-01
•
Granted: 1956-09-25
•
Expires: 1974-07-01
Abstract
No abstract record available.
Inventors
- 👤 Sr John R Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:34
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F9/00; E02F9/20; E02F9/22; E02F9/2264; E02F9/2271; F16; F16P; F16P1/00; F16P1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1927078A
Cited
US2254560A
Cited
US2284661A
Cited
US2512150A
Cited
US2663285A
Cited
US2613006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |