US3500596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building of prefabricated sections
Assignee: Individual
•
Filing: 1968-06-12
•
Granted: 1970-03-17
•
Expires: 1988-06-12
Abstract
No abstract record available.
Inventors
- 👤 Karl Erik Evald Andersson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:10
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/348; E04B1/34815; E04B1/3483; E04C; E04C2/00; E04C2/30; E04C2/32; E04C2/322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2330819A
Cited
US2722901A
Cited
US2706313A
Cited
US3059734A
Cited
US3156070A
Cited
US3102610A
Cited
US3184012A
Cited
US3196773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |