US2679947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: HAMILTON METAL PRODUCTS Co
•
Filing: 1949-03-12
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Granted: 1954-06-01
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Expires: 1969-03-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Piker
- 👤 William L Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
A; A01; A01K; A01K97/00; A01K97/04; A01K97/05; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0894; Y10T292/0895; Y10T292/0902
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) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |