Patent US2778087A successfully refreshed from Google Patents.
US2778087A
Expired / Lapsed
US
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Tie for concrete forms
Assignee: Individual
•
Filing: 1953-09-08
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Granted: 1957-01-22
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Expires: 1973-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry J Krueper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:45
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/065; E04G17/0651; E04G17/0652; E04G17/07; E04G17/0707; E04G17/0714
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2365563A
Cited
US1293391A
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US1990234A
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US2245559A
Cited
US2168991A
Cited
US2166444A
Cited
US2164592A
Cited
US2486683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |