Patent US3388657A successfully refreshed from Google Patents.
US3388657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat truss press
Assignee: Gang Nail Systems Inc
•
Filing: 1966-03-02
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Granted: 1968-06-18
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Jureit John Calvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:16
CPC Classifications
B; B27; B27F; B27F7/00; B27F7/15; B27F7/155; Y; Y10; Y10S; Y10S100/00; Y10S100/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US259902A
Cited
US2996721A
Cited
US3100301A
Cited
US3069684A
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US3172125A
Cited
US3190214A
Cited
US3238867A
Cited
US3244091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |