Patent US2476748A successfully refreshed from Google Patents.
US2476748A
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US
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Frangible sealing closure
Assignee: Pyrene Manufacturing Co
•
Filing: 1946-09-12
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Granted: 1949-07-19
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Expires: 1966-09-12
Abstract
No abstract record available.
Inventors
- 👤 Macgregor Peter Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:20
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/06; F16; F16K; F16K13/00; F16K13/04; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0311; F17C2205/032
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE503223C
Cited
US2194159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |