Patent US4207472A successfully refreshed from Google Patents.
Patent US2548439A successfully refreshed from Google Patents.
US2548439A
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US
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Pressure fluid operated apparatus for throwing heavy objects
Assignee: Individual
•
Filing: 1948-01-19
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Granted: 1951-04-10
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Expires: 1968-01-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank Wesley Moffett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:47
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/12; A01D87/125; B; B66; B66F; B66F9/00; B66F9/02; B66F9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US732789A
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US1072104A
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US1648908A
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US2193125A
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US2165095A
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US2289043A
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US2325138A
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US2343316A
Cited
US2502487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |