Patent US2687271A successfully refreshed from Google Patents.
US2687271A
Expired / Lapsed
US
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Weighing and filling machine
Assignee: Individual
•
Filing: 1952-04-01
•
Granted: 1954-08-24
•
Expires: 1972-04-01
Abstract
No abstract record available.
Inventors
- 👤 Clarence F Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:26
CPC Classifications
G; G01; G01G; G01G13/00; Y; Y10; Y10S; Y10S177/00; Y10S177/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US603413A
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US1037824A
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US1511794A
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US2100874A
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US2138356A
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US2115620A
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US2170258A
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DE695608C
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US2317643A
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US2420356A
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US2571219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |