US2848774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional molds
Assignee: Hudson Engineering Corp
•
Filing: 1955-07-21
•
Granted: 1958-08-26
•
Expires: 1975-07-21
Abstract
No abstract record available.
Inventors
- 👤 Petty Macon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:28
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/38; B29C33/3842; B29C33/3857; B22; B22C; B22C9/00; B22C9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1556802A
Cited
US1401577A
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US1675517A
Cited
US1692433A
Cited
US1884590A
Cited
US2256036A
Cited
US2495276A
Cited
US2629907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |