US2904992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joint structures for plastered walls
Assignee: Individual
•
Filing: 1956-11-09
•
Granted: 1959-09-22
•
Expires: 1976-11-09
Abstract
No abstract record available.
Inventors
- 👤 Rolland T Cruser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:12
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1019462A
Cited
US1537758A
Cited
US2121213A
Cited
US2167525A
Cited
US2274317A
Cited
BE494162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |