US1273347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-pressure cooker.
Assignee: National Manufacturing Co
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Filing: 1917-10-17
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Granted: 1918-07-23
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Expires: 1937-10-17
Abstract
No abstract record available.
Inventors
- 👤 Walton C Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:58
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/06; A; A47; A47J; A47J27/00; A47J27/08; A47J27/09; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7834; Y10T137/8158; Y10T137/8326
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) | 1921-07-22 | 1922-01-21 | 1922-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-07-22 | 1926-01-21 | 1926-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-07-22 | 1930-01-21 | 1930-07-23 | $7700.00 | Window Closed / Lapsed |