US2927599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewer connector for rotating building
Assignee: Individual
•
Filing: 1956-11-30
•
Granted: 1960-03-08
•
Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Stetson John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:50
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/29; E03C1/122; E04; E04B; E04B1/00; E04B1/343; E04B1/346; E04B1/3465; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/8593; Y10T137/86268
Claims Analysis
Total Claims: 0
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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) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |