US2583821A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering spray applicator
Assignee: SHAW INSULATOR Co
•
Filing: 1948-11-12
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Granted: 1952-01-29
•
Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 Bois John H Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:08
CPC Classifications
A; A61; A61M; A61M11/00; A61M11/02; A61M11/006; A61M11/008; A61M15/00; A61M15/0065; A61M15/08; A61M2202/00; A61M2202/04; A61M2202/0468
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) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |