US2548172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip metering construction
Assignee: Individual
•
Filing: 1946-03-16
•
Granted: 1951-04-10
•
Expires: 1966-03-16
Abstract
No abstract record available.
Inventors
- 👤 Gordon B Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:11
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US154895A
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US1448414A
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US1249941A
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US1539489A
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US1946855A
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US2016611A
Cited
DE616006C
Cited
US2132680A
Cited
US2148636A
Cited
US2275791A
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 |