Patent US1954288A successfully refreshed from Google Patents.
Patent US1566958A successfully refreshed from Google Patents.
US1566958A
Expired / Lapsed
US
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Coupling for boiler connections
Assignee: T E RODERICK
•
Filing: 1921-09-06
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Granted: 1925-12-22
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Expires: 1941-09-06
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Gill
- 👤 Charles A Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:56
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/1008; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49442
Claims Analysis
Total Claims: 0
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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) | 1928-12-21 | 1929-06-22 | 1929-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-21 | 1933-06-22 | 1933-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-21 | 1937-06-22 | 1937-12-22 | $7700.00 | Window Closed / Lapsed |