US2627910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grid port structure for gas burners
Assignee: Geo D Roper Corp
•
Filing: 1947-10-23
•
Granted: 1953-02-10
•
Expires: 1967-10-23
Abstract
No abstract record available.
Inventors
- 👤 Victor R Abrams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:00
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/02; F23D14/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1682148A
Cited
US715300A
Cited
US769568A
Cited
US1443338A
Cited
US1428146A
Cited
US1641350A
Cited
US1896286A
Cited
US1964638A
Cited
US2023624A
Cited
US2210069A
Cited
US2480658A
Cited
US2435391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |