US2948994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joint cover
Assignee: Individual
•
Filing: 1957-09-16
•
Granted: 1960-08-16
•
Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 Wenzel W Thom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:10
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6803; E04B1/6804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1357713A
Cited
US2286019A
Cited
FR994347A
Cited
US2580034A
Cited
US2789670A
Cited
US2770002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |