Patent US1447701A successfully refreshed from Google Patents.
US1447701A
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US
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Apparatus for indicating pressure conditions in sealed containers
Assignee: Anchor Cap and Closure Corp
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Filing: 1919-10-02
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Granted: 1923-03-06
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Expires: 1939-10-02
Abstract
No abstract record available.
Inventors
- 👤 William P White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:51
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/36; G01M3/363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-03-05 | 1926-09-04 | 1927-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-03-05 | 1930-09-04 | 1931-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-03-05 | 1934-09-04 | 1935-03-06 | $7700.00 | Window Closed / Lapsed |