US2730130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple valve
Assignee: Individual
•
Filing: 1955-01-14
•
Granted: 1956-01-10
•
Expires: 1975-01-14
Abstract
No abstract record available.
Inventors
- 👤 Guidry Don Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:01
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/04; F16K31/047; E; E21; E21B; E21B34/00; E21B34/06; E21B34/066; F16K31/046; E21B2200/00; E21B2200/03; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8175; Y10T137/8593; Y10T137/87048; Y10T137/877; Y10T137/87708; Y10T137/87732; Y10T137/87772
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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |