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US2556520A
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Assignee: Individual
•
Filing: 1948-02-06
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Granted: 1951-06-12
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Expires: 1968-02-06
Abstract
No abstract record available.
Inventors
- 👤 John P Bunce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:51
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/1225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US431603A
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US718545A
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US1415782A
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US1747628A
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US1866117A
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US2201826A
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US2240024A
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US2274253A
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US2235685A
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US2449530A
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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) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |