US3705830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for finishing the surface of a building
Assignee: BUCURESTI PENTRU EXTRAGEREA PR
•
Filing: 1969-01-15
•
Granted: 1972-12-12
•
Expires: 1989-01-15
Abstract
Abstract THE INVENTION CONCERNS A NEW MATERIAL FOR THE FINISHING AND THE DECORATION OF BUILDINGS, AS WELL AS A PROCESS AND AN INSTALLATION FOR THE MANUFACTURE OF SAME.
Inventors
- 👤 Constantin Gurgui
- 👤 Vasile Luca
- 👤 Andrei Eckardt
- 👤 Paraschiv Ciulacu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:57
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/002; B; B29; B29C; B29C67/00; B29C67/24; B29C67/242; B29C67/245; B44; B44C; B44C5/00; B44C5/06; B44F; B44F9/00; B44F9/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/109
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |