US2732899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
wales
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:58
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/04; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/463; Y10T83/4635; Y10T83/647; Y10T83/658
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1366812A
Cited
US2124178A
Cited
US2189046A
Cited
US2203355A
Cited
US2290827A
Cited
US2493848A
Cited
US2314718A
Cited
US2583086A
Cited
US2484642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |