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US2462688A
Expired / Lapsed
US
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Cover holder
Assignee: Individual
•
Filing: 1946-06-24
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Granted: 1949-02-22
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Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:00
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/10; A47C31/11; Y; Y10; Y10T; Y10T24/00; Y10T24/46; Y10T24/468; Y10T24/4682; Y10T24/4686
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) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |