US2618960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced plastic structural unit
Assignee: Individual
•
Filing: 1946-03-23
•
Granted: 1952-11-25
•
Expires: 1966-03-23
Abstract
No abstract record available.
Inventors
- 👤 Orzel Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:02
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1163187A
Cited
US1353770A
Cited
US1477520A
Cited
US1787167A
Cited
GB344813A
Cited
US1911013A
Cited
US2077989A
Cited
US2192182A
Cited
US2126301A
Cited
US2213395A
Cited
US2181814A
Cited
US2285165A
Cited
US2366151A
Cited
US2405643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |