Patent US2627221A successfully refreshed from Google Patents.
US2627221A
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US
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Puffing gun
Assignee: Guardite Corp
•
Filing: 1949-11-05
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Granted: 1953-02-03
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Expires: 1969-11-05
Abstract
No abstract record available.
Inventors
- 👤 Frank B Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:58
CPC Classifications
A; A24; A24B; A24B3/00; A24B3/18; A24B3/182; A23; A23P; A23P30/00; A23P30/30; A23P30/32; A23P30/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US222593A
Cited
US620663A
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US701101A
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US1179333A
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US1496418A
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US1522381A
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US1824221A
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US2036681A
Cited
US2539990A
Cited
US2539991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |