Patent US3405904A successfully refreshed from Google Patents.
US3405904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tie rod for accurately spacing wall forms
Assignee: Individual
•
Filing: 1965-12-02
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Granted: 1968-10-15
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Expires: 1985-12-02
Abstract
No abstract record available.
Inventors
- 👤 Chester I Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:05
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/07; E04G17/0728; E04G17/0742; E04G17/075; E04G17/0755; E04G17/0758
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |