Patent US2886855A successfully refreshed from Google Patents.
US2886855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buildings with multangular rooms, the ground plan of which is combined from hexagonal elements
Assignee: Individual
•
Filing: 1954-08-30
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Granted: 1959-05-19
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Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Petter Bruno Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:38
CPC Classifications
E; E04; E04H; E04H1/00; E04H1/02; E04B; E04B1/00; E04B2001/0053; E04B2001/0084
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |