US2571334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making resilient batts
Assignee: Houdaille Hershey Corp
•
Filing: 1946-08-30
•
Granted: 1951-10-16
•
Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 William H Browne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:23
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/02; D04H1/40; D04H1/58; D04H1/64; D04H1/70; D04H1/74; Y; Y10; Y10S; Y10S493/00; Y10S493/967; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1749
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |