Patent US2939554A successfully refreshed from Google Patents.
US2939554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space decks and components therefor
Assignee: SPACE DECKS Ltd
•
Filing: 1955-04-22
•
Granted: 1960-06-07
•
Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
- 👤 Bolton John
- 👤 Hennessey Desmond Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:42
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/19; E04B1/1903; E04B1/1909; E04B2001/1924; E04B2001/1927; E04B2001/193; E04B2001/1936; E04B2001/1957; E04B2001/196; E04B2001/1963; E04B2001/1975; E04B2001/1978; E04B2001/1981; E04B2001/1984; E04B2001/199; E04B2001/1993
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |