Patent US2499713A successfully refreshed from Google Patents.
US2499713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Typewriter desk
Assignee: Individual
•
Filing: 1945-01-03
•
Granted: 1950-03-07
•
Expires: 1965-01-03
Abstract
No abstract record available.
Inventors
- 👤 William J Bargen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:20
CPC Classifications
A; A47; A47B; A47B21/00; A47B21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1373988A
Cited
US1377767A
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US1388851A
Cited
US1593930A
Cited
US1619890A
Cited
US1767336A
Cited
US2077316A
Cited
US2194019A
Cited
US2248049A
Cited
US2329029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |