US3017970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction system
Assignee: Individual
•
Filing: 1957-10-09
•
Granted: 1962-01-23
•
Expires: 1977-10-09
Abstract
No abstract record available.
Inventors
- 👤 John E Nickols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:22
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; E04B2/60; E04B2/62; E04B1/00; E04B1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB691209A
Cited
US2730208A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |