Patent US3399438A successfully refreshed from Google Patents.
US3399438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guiding means for sliding shuttering for building structures with slightly inclined and vertical concrete walls
Assignee: Individual
•
Filing: 1965-07-14
•
Granted: 1968-09-03
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Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Rohlf Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:59
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/06; E04G11/20; E04G11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US949521A
Cited
US1127369A
Cited
GB203088A
Cited
US1891160A
Cited
DE602963C
Cited
US2621389A
Cited
US2617168A
Cited
GB864377A
Cited
US3252199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |