US2715978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure-handling machine
Assignee: Pneumatic Scale Corp
•
Filing: 1951-04-21
•
Granted: 1955-08-23
•
Expires: 1971-04-21
Abstract
No abstract record available.
Inventors
- 👤 Walter S Sterling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:48
CPC Classifications
B; B67; B67B; B67B3/00; B67B3/02; B67B3/06; B67B3/064; B67B3/0645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US562572A
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US1139401A
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US1140090A
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US1408497A
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US2060182A
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US2270713A
Cited
US2332790A
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US2336606A
Cited
US2561413A
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US2554788A
Cited
US2568947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |