US2631049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling
Assignee: Individual
•
Filing: 1949-03-30
•
Granted: 1953-03-10
•
Expires: 1969-03-30
Abstract
No abstract record available.
Inventors
- 👤 John J Mcgillis
- 👤 Hugh D Mcgillis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:05
CPC Classifications
F; F16; F16K; F16K24/00; F16K24/06; Y; Y10; Y10S; Y10S285/00; Y10S285/924; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US282312A
Cited
US634344A
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US1116609A
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GB141050A
Cited
US1869915A
Cited
US1815046A
Cited
US2354538A
Cited
US2343774A
Cited
US2459608A
Cited
US2544119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |