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Patent US2844097A successfully refreshed from Google Patents.
US2844097A
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US
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Assignee: Individual
•
Filing: 1956-02-21
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Granted: 1958-07-22
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Expires: 1976-02-21
Abstract
No abstract record available.
Inventors
- 👤 Whitney K Munson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:23
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US521287A
Cited
US772337A
Cited
US893977A
Cited
US1284932A
Cited
US1750004A
Cited
US2030044A
Cited
US2190740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |