US2541607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton handling machine
Assignee: Shellmar Products Corp
•
Filing: 1946-09-27
•
Granted: 1951-02-13
•
Expires: 1966-09-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Piazze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:29
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/76; B31B50/80; B31B2100/00; B31B2120/00; B31B2120/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1342047A
Cited
US1636014A
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US1779817A
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US1783912A
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US1993751A
Cited
US2217784A
Cited
US2241817A
Cited
US2251883A
Cited
US2291010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |