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Patent US2794467A successfully refreshed from Google Patents.
US2794467A
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US
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Clamp for forms containing moldable material
Assignee: PHILIP SITTON SEPTIC TANK Co
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Filing: 1955-01-12
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Granted: 1957-06-04
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Expires: 1975-01-12
Abstract
No abstract record available.
Inventors
- 👤 Philip N Sitton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:37
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/0002; B28B7/0014; E; E04; E04G; E04G17/00; E04G17/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US830110A
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US974983A
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US1578340A
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US1792987A
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US2518112A
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US2489118A
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US2674284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |