US3478481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced concrete module joint
Assignee: Individual
•
Filing: 1967-05-08
•
Granted: 1969-11-18
•
Expires: 1987-05-08
Abstract
No abstract record available.
Inventors
- 👤 Werner Heierli
- 👤 Armin Schuppisser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:04
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/04; E04B1/043; E04B1/38; E04B1/41; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1796048A
Cited
US1362069A
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GB149732A
Cited
US1463621A
Cited
FR620312A
Cited
GB347945A
Cited
GB376308A
Cited
US2042524A
Cited
US2157271A
Cited
US2372200A
Cited
FR993545A
Cited
US2705886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |